Preserve putenv() memory in psql \connect user fix.
Preserve putenv() memory in psql \connect user fix.

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