Fix off-by-1 bug in pg_ctl in -D handling, per report from pjmodos@parba.cz
Fix off-by-1 bug in pg_ctl in -D handling, per report from pjmodos@parba.cz

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