Fix user locks.  Broken some time ago for all platforms by Windows-related changes.
Fix user locks.  Broken some time ago for all platforms by Windows-related
changes.

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