use strbuf_addbuf() for appending a strbuf to another

diff --git a/path.c b/path.c
index 38f2ebd6bfad2b1557b06ce34a0154603533dd65..e1bc8f04fe221e3ee14ba3b5cf9606001ee66e6a 100644 (file)
--- a/path.c
+++ b/path.c
@@ -246,7 +246,7 @@ 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);