Fix for pointer arithmetic.
Fix for pointer arithmetic.

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