git-read-tree: remove deleted files in the working directory

diff --git a/tree.c b/tree.c
index aa55ddb6846bdc33abf9d41424d105e1b2331640..2432f09a0259613b055a5ffed020dc56abc79f12 100644 (file)
--- a/tree.c
+++ b/tree.c
@@ -73,7 +73,7 @@ int read_tree(void *buffer, unsigned long size, int stage)
        return read_tree_recursive(buffer, size, "", 0, stage);
 }
 
-struct tree *lookup_tree(unsigned char *sha1)
+struct tree *lookup_tree(const unsigned char *sha1)
 {
        struct object *obj = lookup_object(sha1);
        if (!obj) {