[PATCH] do_mounts.c strlcpy

Use strlcpy in root_dev_setup()

init/do_mounts.c

@@ -176,7 +176,7 @@ dev_t name_to_dev_t(char *name)
 
 static int __init root_dev_setup(char *line)
 {
-	strncpy(saved_root_name, line, 63);
+	strlcpy(saved_root_name, line, sizeof(saved_root_name));
 	return 1;
 }