usage: add set_warn_routine()

diff --git a/path.c b/path.c
index 259aeed846bd3dac8e10cde30a22ec1ad8697a63..17551c483476050325114b8521f2960707855c59 100644 (file)
--- a/path.c
+++ b/path.c
@@ -483,7 +483,7 @@ static void do_submodule_path(struct strbuf *buf, const char *path,
                strbuf_addstr(buf, git_dir);
        }
        strbuf_addch(buf, '/');
-       strbuf_addstr(&git_submodule_dir, buf->buf);
+       strbuf_addbuf(&git_submodule_dir, buf);
 
        strbuf_vaddf(buf, fmt, args);