Minor code cleanup.
Minor code cleanup.

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