Add check for 'extern "C"' for pgindent.
Add check for 'extern "C"' for pgindent.

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