added patch from kurt that fixes memory leak (didn't free line buffer for slash commands)
added patch from kurt that fixes memory leak (didn't free line buffer
for slash commands)

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