Fix plperl validator to honor check_function_bodies: when that is OFF, we want it to check the argument/result data types and no more.  In particular, libperl shouldn't get initialized in this case.
Fix plperl validator to honor check_function_bodies: when that is OFF,
we want it to check the argument/result data types and no more.  In
particular, libperl shouldn't get initialized in this case.

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