Add s_lock support for HPUX on IA64, per Shinji Teragaito.
Add s_lock support for HPUX on IA64, per Shinji Teragaito.

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