Avoid leaking addrinfo data by freeing before leaving scope
Avoid leaking addrinfo data by freeing before leaving scope

The addrinfo data from pg_getaddrinfo() is leaked on exit, properly
free it before leaving.

Per report from Coverity.

jmcatamney/gpdb,Quikling/gpdb,50wu/gpdb,edespino/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,adam8157/gpdb,50wu/gpdb,50wu/gpdb,janebeckman/gpdb,adam8157/gpdb,janebeckman/gpdb,rvs/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,janebeckman/gpdb,jmcatamney/gpdb,Chibin/gpdb,greenplum-db/gpdb,rvs/gpdb,Quikling/gpdb,lintzc/gpdb,Quikling/gpdb,rvs/gpdb,kaknikhil/gpdb,Chibin/gpdb,50wu/gpdb,rvs/gpdb,cjcjameson/gpdb,50wu/gpdb,kaknikhil/gpdb,lisakowen/gpdb,yuanzhao/gpdb,xinzweb/gpdb,adam8157/gpdb,lisakowen/gpdb,Chibin/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,lintzc/gpdb,greenplum-db/gpdb,edespino/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,janebeckman/gpdb,xinzweb/gpdb,janebeckman/gpdb,Chibin/gpdb,greenplum-db/gpdb,50wu/gpdb,Quikling/gpdb,rvs/gpdb,edespino/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,xinzweb/gpdb,lisakowen/gpdb,Chibin/gpdb,50wu/gpdb,ashwinstar/gpdb,xinzweb/gpdb,greenplum-db/gpdb,Chibin/gpdb,rvs/gpdb,kaknikhil/gpdb,janebeckman/gpdb,rvs/gpdb,adam8157/gpdb,yuanzhao/gpdb,lisakowen/gpdb,edespino/gpdb,edespino/gpdb,adam8157/gpdb,edespino/gpdb,cjcjameson/gpdb,edespino/gpdb,ashwinstar/gpdb,adam8157/gpdb,ashwinstar/gpdb,xinzweb/gpdb,greenplum-db/gpdb,lisakowen/gpdb,xinzweb/gpdb,cjcjameson/gpdb,edespino/gpdb,lintzc/gpdb,lintzc/gpdb,lintzc/gpdb,Chibin/gpdb,edespino/gpdb,Chibin/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,lintzc/gpdb,kaknikhil/gpdb,50wu/gpdb,cjcjameson/gpdb,adam8157/gpdb,lintzc/gpdb,jmcatamney/gpdb,Quikling/gpdb,lintzc/gpdb,kaknikhil/gpdb,janebeckman/gpdb,cjcjameson/gpdb,edespino/gpdb,ashwinstar/gpdb,rvs/gpdb,cjcjameson/gpdb,Quikling/gpdb,lisakowen/gpdb,greenplum-db/gpdb,janebeckman/gpdb,jmcatamney/gpdb,xinzweb/gpdb,kaknikhil/gpdb,Chibin/gpdb,Quikling/gpdb,lisakowen/gpdb,rvs/gpdb,janebeckman/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,rvs/gpdb,Quikling/gpdb,yuanzhao/gpdb,xinzweb/gpdb,lintzc/gpdb,Chibin/gpdb,ashwinstar/gpdb,Quikling/gpdb,lisakowen/gpdb,yuanzhao/gpdb,janebeckman/gpdb,jmcatamney/gpdb,Quikling/gpdb,adam8157/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,cjcjameson/gpdb