worktree: initialize return value for submodule_uses_worktrees

When the worktrees directory is empty, the `ret` will be returned
uninitialized. Fix it by initializing the value.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/worktree.c b/worktree.c
index d4606aa..828fd7a 100644
--- a/worktree.c
+++ b/worktree.c
@@ -387,7 +387,7 @@ int submodule_uses_worktrees(const char *path)
 	struct strbuf sb = STRBUF_INIT;
 	DIR *dir;
 	struct dirent *d;
-	int ret;
+	int ret = 0;
 	struct repository_format format;
 
 	submodule_gitdir = git_pathdup_submodule(path, "%s", "");