Clean up gcc warning in MULTIBYTE code.
Clean up gcc warning in MULTIBYTE code.

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