Add -Wno-error because of "unclean" flex output.
Add -Wno-error because of "unclean" flex output.

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