Fix weird spacing in error message.
Fix weird spacing in error message.

Seems to have been introduced in 1a3458b6d8d202715a83c88474a1b63726d0929e.

zeroae/postgres-xl,greenplum-db/gpdb,lisakowen/gpdb,lisakowen/gpdb,adam8157/gpdb,oberstet/postgres-xl,yazun/postgres-xl,ovr/postgres-xl,50wu/gpdb,lisakowen/gpdb,zeroae/postgres-xl,xinzweb/gpdb,oberstet/postgres-xl,yazun/postgres-xl,lisakowen/gpdb,50wu/gpdb,ashwinstar/gpdb,pavanvd/postgres-xl,yazun/postgres-xl,adam8157/gpdb,ashwinstar/gpdb,xinzweb/gpdb,ovr/postgres-xl,techdragon/Postgres-XL,zeroae/postgres-xl,ashwinstar/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,50wu/gpdb,adam8157/gpdb,xinzweb/gpdb,oberstet/postgres-xl,jmcatamney/gpdb,greenplum-db/gpdb,adam8157/gpdb,oberstet/postgres-xl,50wu/gpdb,greenplum-db/gpdb,50wu/gpdb,techdragon/Postgres-XL,xinzweb/gpdb,oberstet/postgres-xl,pavanvd/postgres-xl,pavanvd/postgres-xl,Postgres-XL/Postgres-XL,pavanvd/postgres-xl,jmcatamney/gpdb,50wu/gpdb,yazun/postgres-xl,adam8157/gpdb,greenplum-db/gpdb,Postgres-XL/Postgres-XL,greenplum-db/gpdb,ashwinstar/gpdb,adam8157/gpdb,techdragon/Postgres-XL,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,greenplum-db/gpdb,pavanvd/postgres-xl,adam8157/gpdb,50wu/gpdb,ashwinstar/gpdb,adam8157/gpdb,lisakowen/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,yazun/postgres-xl,ovr/postgres-xl,lisakowen/gpdb,greenplum-db/gpdb,lisakowen/gpdb,xinzweb/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,ovr/postgres-xl,xinzweb/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,ovr/postgres-xl,xinzweb/gpdb,techdragon/Postgres-XL,50wu/gpdb,techdragon/Postgres-XL,zeroae/postgres-xl,jmcatamney/gpdb,lisakowen/gpdb,xinzweb/gpdb