interfaces/Makefile fix.
interfaces/Makefile fix.

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