Add Win32 unlink/rename file.
Add Win32 unlink/rename file.

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