Make output identical to pg_resetxlog's

Author: alvherre

src/bin/pg_controldata/pg_controldata.c

@@ -232,7 +232,7 @@ main(int argc, char *argv[])
 		   ControlFile.checkPointCopy.oldestXidDB);
 	printf(_("Latest checkpoint's oldestActiveXID:  %u\n"),
 		   ControlFile.checkPointCopy.oldestActiveXid);
-	printf(_("Latest checkpoint's oldestMultiXact:  %u\n"),
+	printf(_("Latest checkpoint's oldestMultiXid:   %u\n"),
 		   ControlFile.checkPointCopy.oldestMulti);
 	printf(_("Latest checkpoint's oldestMulti's DB: %u\n"),
 		   ControlFile.checkPointCopy.oldestMultiDB);