Sparc lock fix for Linux/netbsd.
Sparc lock fix for Linux/netbsd.

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