Fixed GNUmakefile target in devel build
Fixed GNUmakefile target in devel build

Closes #488.

cjcjameson/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,xuegang/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,janebeckman/gpdb,kaknikhil/gpdb,chrishajas/gpdb,tangp3/gpdb,adam8157/gpdb,royc1/gpdb,lpetrov-pivotal/gpdb,foyzur/gpdb,50wu/gpdb,royc1/gpdb,tangp3/gpdb,tangp3/gpdb,CraigHarris/gpdb,0x0FFF/gpdb,rubikloud/gpdb,rvs/gpdb,atris/gpdb,atris/gpdb,50wu/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,edespino/gpdb,ahachete/gpdb,yuanzhao/gpdb,edespino/gpdb,chrishajas/gpdb,xinzweb/gpdb,xuegang/gpdb,rubikloud/gpdb,xinzweb/gpdb,chrishajas/gpdb,tangp3/gpdb,greenplum-db/gpdb,Quikling/gpdb,xinzweb/gpdb,greenplum-db/gpdb,rvs/gpdb,lisakowen/gpdb,adam8157/gpdb,xinzweb/gpdb,chrishajas/gpdb,rubikloud/gpdb,Chibin/gpdb,ashwinstar/gpdb,lintzc/gpdb,greenplum-db/gpdb,royc1/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,lisakowen/gpdb,lintzc/gpdb,chrishajas/gpdb,0x0FFF/gpdb,edespino/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,tangp3/gpdb,kaknikhil/gpdb,janebeckman/gpdb,zaksoup/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,rubikloud/gpdb,kaknikhil/gpdb,ahachete/gpdb,atris/gpdb,jmcatamney/gpdb,lintzc/gpdb,50wu/gpdb,lisakowen/gpdb,lpetrov-pivotal/gpdb,adam8157/gpdb,tangp3/gpdb,adam8157/gpdb,CraigHarris/gpdb,ahachete/gpdb,foyzur/gpdb,rvs/gpdb,janebeckman/gpdb,rubikloud/gpdb,cjcjameson/gpdb,lisakowen/gpdb,lisakowen/gpdb,0x0FFF/gpdb,jmcatamney/gpdb,Quikling/gpdb,lintzc/gpdb,ahachete/gpdb,atris/gpdb,rvs/gpdb,ahachete/gpdb,janebeckman/gpdb,ahachete/gpdb,lpetrov-pivotal/gpdb,cjcjameson/gpdb,Chibin/gpdb,foyzur/gpdb,royc1/gpdb,xuegang/gpdb,atris/gpdb,xinzweb/gpdb,janebeckman/gpdb,kaknikhil/gpdb,xinzweb/gpdb,Quikling/gpdb,Chibin/gpdb,ashwinstar/gpdb,Quikling/gpdb,zaksoup/gpdb,xuegang/gpdb,xuegang/gpdb,0x0FFF/gpdb,royc1/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,50wu/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,edespino/gpdb,0x0FFF/gpdb,yuanzhao/gpdb,atris/gpdb,zaksoup/gpdb,edespino/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,rubikloud/gpdb,janebeckman/gpdb,ashwinstar/gpdb,rvs/gpdb,xinzweb/gpdb,lintzc/gpdb,adam8157/gpdb,edespino/gpdb,jmcatamney/gpdb,zaksoup/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,xuegang/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,chrishajas/gpdb,greenplum-db/gpdb,foyzur/gpdb,rvs/gpdb,greenplum-db/gpdb,Quikling/gpdb,randomtask1155/gpdb,adam8157/gpdb,yuanzhao/gpdb,royc1/gpdb,Quikling/gpdb,Chibin/gpdb,lisakowen/gpdb,rvs/gpdb,tangp3/gpdb,yuanzhao/gpdb,randomtask1155/gpdb,Quikling/gpdb,cjcjameson/gpdb,xuegang/gpdb,ahachete/gpdb,lintzc/gpdb,lpetrov-pivotal/gpdb,0x0FFF/gpdb,yuanzhao/gpdb,tangp3/gpdb,Chibin/gpdb,janebeckman/gpdb,xuegang/gpdb,lpetrov-pivotal/gpdb,royc1/gpdb,xinzweb/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,randomtask1155/gpdb,atris/gpdb,CraigHarris/gpdb,chrishajas/gpdb,lintzc/gpdb,50wu/gpdb,50wu/gpdb,jmcatamney/gpdb,lintzc/gpdb,foyzur/gpdb,Chibin/gpdb,randomtask1155/gpdb,randomtask1155/gpdb,kaknikhil/gpdb,xuegang/gpdb,Chibin/gpdb,Quikling/gpdb,atris/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,Chibin/gpdb,royc1/gpdb,foyzur/gpdb,yuanzhao/gpdb,zaksoup/gpdb,50wu/gpdb,janebeckman/gpdb,kaknikhil/gpdb,foyzur/gpdb,rubikloud/gpdb,Quikling/gpdb,Quikling/gpdb,lintzc/gpdb,foyzur/gpdb,adam8157/gpdb,50wu/gpdb,edespino/gpdb,lpetrov-pivotal/gpdb,ashwinstar/gpdb,lisakowen/gpdb,CraigHarris/gpdb,chrishajas/gpdb,zaksoup/gpdb,ahachete/gpdb,lisakowen/gpdb,zaksoup/gpdb,CraigHarris/gpdb,janebeckman/gpdb,janebeckman/gpdb,kaknikhil/gpdb,edespino/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,rvs/gpdb,rubikloud/gpdb,cjcjameson/gpdb,rvs/gpdb,jmcatamney/gpdb,randomtask1155/gpdb,rvs/gpdb,edespino/gpdb,0x0FFF/gpdb,yuanzhao/gpdb,edespino/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,zaksoup/gpdb,0x0FFF/gpdb,adam8157/gpdb