Check for bad packets in getaddrinfo.c's getanswer. am: 105a0bdfa5 am: 214dd6e0fb am: 71e3bb5d42  -s ours am: 170de03123 am: 59c1e60f83 am: 148a06a7c3 am: 16de57d711 am: 7a163f01d0 am: f2ecd5dc25 am: 9b48faee8a am: 492039369d
am: 7cd170c2f4

Change-Id: I91141842fd5526887ccd7d99f02368dea36788a6