Fix compiling with libevent1
Fix compiling with libevent1

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