Check for bad packets in getaddrinfo.c's getanswer. am: 9ea3f1c8a5 am: 62b2f0523e am: 91b8b9dd71  -s ours am: 2ad4e6e4f6 am: c58d806231 am: ffcf543b9c
am: c08dc9cbb3

Change-Id: Iea58d7677bfdc67c381dd5e0d415328704f98525