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

Change-Id: I175cc9208a110413eece74afd03476b2776a7a88