Finally fix LISTEN problem.
Finally fix LISTEN problem.

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