combine-diff: move changed-paths scanning logic into its own function

diff --git a/diff.h b/diff.h
index ce123fa06fee6fb6e5e76d6a92ea8284a5bbbcf1..e79f3b3ff09aede32e5bdcf2fbbcaaa130ef6bbb 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -198,7 +198,6 @@ extern int diff_root_tree_sha1(const unsigned char *new, const char *base,
 
 struct combine_diff_path {
        struct combine_diff_path *next;
-       int len;
        char *path;
        unsigned int mode;
        unsigned char sha1[20];