Fix for gmake clean.
Fix for gmake clean.

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