Fix typo in comment.
Fix typo in comment.

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