crtools: Add missing \n in pr_err

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

crtools.c

@@ -253,7 +253,7 @@ int main(int argc, char *argv[])
 	    strcmp(argv[optind], "restore") &&
 	    strcmp(argv[optind], "show") &&
 	    strcmp(argv[optind], "check")) {
-		pr_err("Unknown command %s", argv[optind]);
+		pr_err("Unknown command %s\n", argv[optind]);
 		goto usage;
 	}