Fix for missing tas on some platforms.
Fix for missing tas on some platforms.

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