Fix collate.linux.utf8 expected output for recent error message change.
Fix collate.linux.utf8 expected output for recent error message change.

Noted by Jeff Davis.

jmcatamney/gpdb,arcivanov/postgres-xl,arcivanov/postgres-xl,adam8157/gpdb,ovr/postgres-xl,ashwinstar/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,Postgres-XL/Postgres-XL,zeroae/postgres-xl,xinzweb/gpdb,greenplum-db/gpdb,50wu/gpdb,50wu/gpdb,oberstet/postgres-xl,snaga/postgres-xl,50wu/gpdb,arcivanov/postgres-xl,yazun/postgres-xl,zeroae/postgres-xl,ashwinstar/gpdb,lisakowen/gpdb,Postgres-XL/Postgres-XL,xinzweb/gpdb,ashwinstar/gpdb,adam8157/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,xinzweb/gpdb,Postgres-XL/Postgres-XL,zeroae/postgres-xl,postmind-net/postgres-xl,arcivanov/postgres-xl,lisakowen/gpdb,jmcatamney/gpdb,50wu/gpdb,lisakowen/gpdb,greenplum-db/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,adam8157/gpdb,lisakowen/gpdb,techdragon/Postgres-XL,kmjungersen/PostgresXL,oberstet/postgres-xl,ashwinstar/gpdb,jmcatamney/gpdb,kmjungersen/PostgresXL,lisakowen/gpdb,techdragon/Postgres-XL,pavanvd/postgres-xl,yazun/postgres-xl,postmind-net/postgres-xl,adam8157/gpdb,adam8157/gpdb,techdragon/Postgres-XL,ovr/postgres-xl,Postgres-XL/Postgres-XL,lisakowen/gpdb,xinzweb/gpdb,kmjungersen/PostgresXL,zeroae/postgres-xl,pavanvd/postgres-xl,ovr/postgres-xl,tpostgres-projects/tPostgres,yazun/postgres-xl,tpostgres-projects/tPostgres,oberstet/postgres-xl,50wu/gpdb,xinzweb/gpdb,greenplum-db/gpdb,pavanvd/postgres-xl,50wu/gpdb,lisakowen/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,50wu/gpdb,adam8157/gpdb,techdragon/Postgres-XL,jmcatamney/gpdb,50wu/gpdb,techdragon/Postgres-XL,xinzweb/gpdb,yazun/postgres-xl,zeroae/postgres-xl,yazun/postgres-xl,greenplum-db/gpdb,kmjungersen/PostgresXL,pavanvd/postgres-xl,snaga/postgres-xl,postmind-net/postgres-xl,jmcatamney/gpdb,snaga/postgres-xl,snaga/postgres-xl,oberstet/postgres-xl,postmind-net/postgres-xl,arcivanov/postgres-xl,lisakowen/gpdb,adam8157/gpdb,arcivanov/postgres-xl,kmjungersen/PostgresXL,Postgres-XL/Postgres-XL,pavanvd/postgres-xl,greenplum-db/gpdb,ovr/postgres-xl,tpostgres-projects/tPostgres,xinzweb/gpdb,xinzweb/gpdb,greenplum-db/gpdb,postmind-net/postgres-xl,ovr/postgres-xl,tpostgres-projects/tPostgres,snaga/postgres-xl,adam8157/gpdb,tpostgres-projects/tPostgres