fix use of an uninitialized stat buffer during work tree status crawl found by naddy ok naddy jrick
diff --git a/lib/worktree.c b/lib/worktree.c
index 3d7fd16..da4a3d7 100644
--- a/lib/worktree.c
+++ b/lib/worktree.c
@@ -1731,6 +1731,7 @@ get_file_status(unsigned char *status, struct stat *sb,
unsigned char staged_status = get_staged_status(ie);
*status = GOT_STATUS_NO_CHANGE;
+ memset(sb, 0, sizeof(*sb));
/*
* Whenever the caller provides a directory descriptor and a