Fix for memory leak, configure path fix, from Tom Lane.
Fix for memory leak, configure path fix, from Tom Lane.

tangp3/gpdb,rvs/gpdb,rubikloud/gpdb,snaga/postgres-xl,lintzc/gpdb,cjcjameson/gpdb,xinzweb/gpdb,Postgres-XL/Postgres-XL,Chibin/gpdb,ovr/postgres-xl,randomtask1155/gpdb,50wu/gpdb,tpostgres-projects/tPostgres,tangp3/gpdb,royc1/gpdb,royc1/gpdb,Chibin/gpdb,janebeckman/gpdb,Chibin/gpdb,jmcatamney/gpdb,lintzc/gpdb,chrishajas/gpdb,greenplum-db/gpdb,snaga/postgres-xl,kmjungersen/PostgresXL,atris/gpdb,adam8157/gpdb,randomtask1155/gpdb,Quikling/gpdb,chrishajas/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,chrishajas/gpdb,xuegang/gpdb,CraigHarris/gpdb,janebeckman/gpdb,edespino/gpdb,cjcjameson/gpdb,royc1/gpdb,royc1/gpdb,ahachete/gpdb,kaknikhil/gpdb,tangp3/gpdb,xuegang/gpdb,royc1/gpdb,yazun/postgres-xl,Chibin/gpdb,ovr/postgres-xl,ashwinstar/gpdb,zaksoup/gpdb,yuanzhao/gpdb,ahachete/gpdb,edespino/gpdb,Chibin/gpdb,ashwinstar/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,lpetrov-pivotal/gpdb,pavanvd/postgres-xl,Chibin/gpdb,randomtask1155/gpdb,xinzweb/gpdb,ashwinstar/gpdb,Quikling/gpdb,atris/gpdb,xinzweb/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,lisakowen/gpdb,oberstet/postgres-xl,royc1/gpdb,greenplum-db/gpdb,postmind-net/postgres-xl,oberstet/postgres-xl,ashwinstar/gpdb,adam8157/gpdb,Postgres-XL/Postgres-XL,adam8157/gpdb,adam8157/gpdb,pavanvd/postgres-xl,Quikling/gpdb,lisakowen/gpdb,CraigHarris/gpdb,ahachete/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,adam8157/gpdb,0x0FFF/gpdb,lintzc/gpdb,rubikloud/gpdb,Chibin/gpdb,lisakowen/gpdb,CraigHarris/gpdb,janebeckman/gpdb,lpetrov-pivotal/gpdb,zeroae/postgres-xl,greenplum-db/gpdb,50wu/gpdb,edespino/gpdb,xinzweb/gpdb,lintzc/gpdb,tpostgres-projects/tPostgres,janebeckman/gpdb,zaksoup/gpdb,xinzweb/gpdb,greenplum-db/gpdb,ovr/postgres-xl,yuanzhao/gpdb,rubikloud/gpdb,zaksoup/gpdb,edespino/gpdb,Postgres-XL/Postgres-XL,oberstet/postgres-xl,zeroae/postgres-xl,xuegang/gpdb,edespino/gpdb,lisakowen/gpdb,lpetrov-pivotal/gpdb,yuanzhao/gpdb,atris/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,ovr/postgres-xl,xuegang/gpdb,techdragon/Postgres-XL,kaknikhil/gpdb,adam8157/gpdb,lpetrov-pivotal/gpdb,lintzc/gpdb,foyzur/gpdb,Postgres-XL/Postgres-XL,randomtask1155/gpdb,yuanzhao/gpdb,0x0FFF/gpdb,jmcatamney/gpdb,rvs/gpdb,CraigHarris/gpdb,edespino/gpdb,xuegang/gpdb,oberstet/postgres-xl,tangp3/gpdb,lisakowen/gpdb,rubikloud/gpdb,janebeckman/gpdb,rvs/gpdb,tpostgres-projects/tPostgres,kaknikhil/gpdb,yazun/postgres-xl,randomtask1155/gpdb,atris/gpdb,greenplum-db/gpdb,zaksoup/gpdb,tangp3/gpdb,lisakowen/gpdb,cjcjameson/gpdb,pavanvd/postgres-xl,edespino/gpdb,kmjungersen/PostgresXL,rvs/gpdb,xinzweb/gpdb,kmjungersen/PostgresXL,adam8157/gpdb,arcivanov/postgres-xl,postmind-net/postgres-xl,foyzur/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,50wu/gpdb,kaknikhil/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,atris/gpdb,CraigHarris/gpdb,pavanvd/postgres-xl,techdragon/Postgres-XL,rubikloud/gpdb,techdragon/Postgres-XL,0x0FFF/gpdb,yuanzhao/gpdb,chrishajas/gpdb,kmjungersen/PostgresXL,chrishajas/gpdb,greenplum-db/gpdb,lintzc/gpdb,atris/gpdb,Quikling/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,kaknikhil/gpdb,zeroae/postgres-xl,Quikling/gpdb,CraigHarris/gpdb,rvs/gpdb,lpetrov-pivotal/gpdb,adam8157/gpdb,50wu/gpdb,arcivanov/postgres-xl,ahachete/gpdb,yazun/postgres-xl,rvs/gpdb,royc1/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,xuegang/gpdb,foyzur/gpdb,rvs/gpdb,Quikling/gpdb,postmind-net/postgres-xl,rubikloud/gpdb,rvs/gpdb,zaksoup/gpdb,chrishajas/gpdb,50wu/gpdb,atris/gpdb,lpetrov-pivotal/gpdb,CraigHarris/gpdb,foyzur/gpdb,xuegang/gpdb,jmcatamney/gpdb,lisakowen/gpdb,0x0FFF/gpdb,rvs/gpdb,janebeckman/gpdb,CraigHarris/gpdb,Postgres-XL/Postgres-XL,foyzur/gpdb,tangp3/gpdb,tangp3/gpdb,jmcatamney/gpdb,snaga/postgres-xl,lintzc/gpdb,zaksoup/gpdb,tpostgres-projects/tPostgres,ashwinstar/gpdb,postmind-net/postgres-xl,zeroae/postgres-xl,postmind-net/postgres-xl,Chibin/gpdb,yazun/postgres-xl,50wu/gpdb,zaksoup/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,rubikloud/gpdb,snaga/postgres-xl,lintzc/gpdb,50wu/gpdb,janebeckman/gpdb,arcivanov/postgres-xl,jmcatamney/gpdb,edespino/gpdb,janebeckman/gpdb,janebeckman/gpdb,atris/gpdb,Quikling/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,ahachete/gpdb,arcivanov/postgres-xl,tpostgres-projects/tPostgres,0x0FFF/gpdb,randomtask1155/gpdb,janebeckman/gpdb,ahachete/gpdb,royc1/gpdb,ashwinstar/gpdb,xinzweb/gpdb,Quikling/gpdb,kmjungersen/PostgresXL,snaga/postgres-xl,edespino/gpdb,randomtask1155/gpdb,randomtask1155/gpdb,Quikling/gpdb,tangp3/gpdb,0x0FFF/gpdb,ovr/postgres-xl,chrishajas/gpdb,foyzur/gpdb,jmcatamney/gpdb,xinzweb/gpdb,50wu/gpdb,cjcjameson/gpdb,zaksoup/gpdb,yuanzhao/gpdb,lisakowen/gpdb,zeroae/postgres-xl,techdragon/Postgres-XL,techdragon/Postgres-XL,xuegang/gpdb,jmcatamney/gpdb,ahachete/gpdb,oberstet/postgres-xl,chrishajas/gpdb,lintzc/gpdb,yazun/postgres-xl,edespino/gpdb,rvs/gpdb,CraigHarris/gpdb,xuegang/gpdb,rubikloud/gpdb,foyzur/gpdb,foyzur/gpdb,pavanvd/postgres-xl,kaknikhil/gpdb,arcivanov/postgres-xl,ahachete/gpdb,Quikling/gpdb