Fix a bug in pg_class
Fix a bug in pg_class

submitted by: "Peter Daum" <gator@cs.tu-berlin.de>

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