Properly parse Makefile after change from := to =.
Properly parse Makefile after change from := to =.

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