Remove trailing whitespace in test

Third try to make this work...

Author: nikic

ext/pgsql/tests/09notice.phpt

@@ -36,7 +36,7 @@ echo "pg_last_notice() is Ok\n";
 
 ?>
 --EXPECTF--
-resource(%d) of type (pgsql result) 
+resource(%d) of type (pgsql result)
 
 Notice: pg_query(): %s already a transaction in progress in %s on line %d
 %s already a transaction in progress