pgindent the new exttablecmds.c file.
pgindent the new exttablecmds.c file.

Now that it's purely GPDB code, let's be tidy. (Running pgindent on
files with mixed gpdb-specific and upstream code would easily mess up
the formatting of upstream code, if a different version of pgindent is
used, or if the gpdb-additions have changed indentation.)

xuegang/gpdb,yuanzhao/gpdb,edespino/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,Quikling/gpdb,adam8157/gpdb,CraigHarris/gpdb,adam8157/gpdb,Chibin/gpdb,rvs/gpdb,rvs/gpdb,Quikling/gpdb,Chibin/gpdb,lisakowen/gpdb,edespino/gpdb,CraigHarris/gpdb,xinzweb/gpdb,CraigHarris/gpdb,xinzweb/gpdb,adam8157/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,adam8157/gpdb,Chibin/gpdb,lintzc/gpdb,xuegang/gpdb,yuanzhao/gpdb,lisakowen/gpdb,50wu/gpdb,Quikling/gpdb,ashwinstar/gpdb,janebeckman/gpdb,edespino/gpdb,Chibin/gpdb,ashwinstar/gpdb,edespino/gpdb,edespino/gpdb,xinzweb/gpdb,50wu/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,jmcatamney/gpdb,xuegang/gpdb,lintzc/gpdb,CraigHarris/gpdb,Chibin/gpdb,xinzweb/gpdb,Chibin/gpdb,lintzc/gpdb,janebeckman/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,edespino/gpdb,Quikling/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,lisakowen/gpdb,Quikling/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,xuegang/gpdb,kaknikhil/gpdb,lintzc/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,janebeckman/gpdb,Quikling/gpdb,ashwinstar/gpdb,lisakowen/gpdb,yuanzhao/gpdb,Quikling/gpdb,rvs/gpdb,50wu/gpdb,lintzc/gpdb,edespino/gpdb,lisakowen/gpdb,janebeckman/gpdb,lintzc/gpdb,cjcjameson/gpdb,lisakowen/gpdb,ashwinstar/gpdb,rvs/gpdb,kaknikhil/gpdb,rvs/gpdb,CraigHarris/gpdb,janebeckman/gpdb,xuegang/gpdb,xinzweb/gpdb,greenplum-db/gpdb,janebeckman/gpdb,janebeckman/gpdb,50wu/gpdb,50wu/gpdb,ashwinstar/gpdb,lintzc/gpdb,50wu/gpdb,ashwinstar/gpdb,xinzweb/gpdb,CraigHarris/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,xuegang/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,xuegang/gpdb,greenplum-db/gpdb,lintzc/gpdb,Chibin/gpdb,Chibin/gpdb,kaknikhil/gpdb,Quikling/gpdb,kaknikhil/gpdb,xuegang/gpdb,edespino/gpdb,greenplum-db/gpdb,50wu/gpdb,kaknikhil/gpdb,rvs/gpdb,Chibin/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,Chibin/gpdb,yuanzhao/gpdb,xinzweb/gpdb,lintzc/gpdb,greenplum-db/gpdb,edespino/gpdb,rvs/gpdb,yuanzhao/gpdb,janebeckman/gpdb,xuegang/gpdb,adam8157/gpdb,lisakowen/gpdb,xinzweb/gpdb,rvs/gpdb,CraigHarris/gpdb,edespino/gpdb,jmcatamney/gpdb,adam8157/gpdb,ashwinstar/gpdb,janebeckman/gpdb,Quikling/gpdb,lisakowen/gpdb,rvs/gpdb,Quikling/gpdb,CraigHarris/gpdb,rvs/gpdb,50wu/gpdb,janebeckman/gpdb,yuanzhao/gpdb,adam8157/gpdb,adam8157/gpdb,kaknikhil/gpdb,yuanzhao/gpdb