Fix initdb use of mkdir_p().
Fix initdb use of mkdir_p().

Andrew Dunstan

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