Cleanup some memory issues in simple answers
Cleanup some memory issues in simple answers

smogali/getdns,smogali/getdns,huitema/getdns,Acidburn0zzz/getdns,dkg/getdns,smogali/getdns,huitema/getdns,shane-kerr/getdns,huitema/getdns,dkg/getdns,smogali/getdns,shane-kerr/getdns,Acidburn0zzz/getdns,glenwiley/getdns,glenwiley/getdns,huitema/getdns,shane-kerr/getdns,glenwiley/getdns,Acidburn0zzz/getdns,Acidburn0zzz/getdns,dkg/getdns,dkg/getdns,shane-kerr/getdns,glenwiley/getdns