Remove Perl module's unnecessary dependence on libpq-int.h.
Remove Perl module's unnecessary dependence on libpq-int.h.

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