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

Change-Id: I814f637cca0c7309d730450e4d3f05aa1b5d684c