Windows because Windows' struct in6_addr has different alignment from PRIPv6Addr. The patch is contributed by Shanmu <shanmus@gmail.com>. r=wtc. Modified Files: md/_win95.h md/_winnt.h private/primpl.h git-svn-id: svn://10.0.0.236/trunk@174883 18797224-902f-48f8-a5cc-f745e15eee43