Strict aliasing warnings with GCC 6.0

[Sebastian Huber]

../../cpukit/../../../sis/lib/include/netinet/tcp_var.h:245:34: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../cpukit/../../../sis/lib/include/netinet/tcp_var.h:245:34: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../cpukit/../../../sis/lib/include/netinet/tcp_var.h:245:34: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:167:18: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:267:13: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:273:13: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:279:13: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:283:13: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:290:29: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:308:31: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:657:12: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:658:12: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:701:12: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in.c:702:12: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in_pcb.c:297:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/in_pcb.c:328:13: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/tcp_input.c:228:26: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/tcp_output.c:392:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/tcp_output.c:407:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/tcp_output.c:421:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/tcp_output.c:428:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/tcp_subr.c:389:26: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/libnetworking/netinet/tcp_subr.c:701:13: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/librpc/src/rpc/get_myaddress.c:118:22: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/librpc/src/rpc/pmap_rmt.c:233:7: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:1205:21: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:1222:22: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:1299:17: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:1316:19: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:886:14: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:888:14: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:891:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:926:14: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
../../../../../../rtems/c/src/../../cpukit/pppd/sys-rtems.c:928:14: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]