add_file_to_index: skip rehashing if the cached stat already matches

diff --git a/builtin-diff-index.c b/builtin-diff-index.c
index d90eba95a6be17bd0486e0311c2657b1f69ab7d9..81e7167438ecfc25a6f9a317af663034d653588e 100644 (file)
--- a/builtin-diff-index.c
+++ b/builtin-diff-index.c
@@ -23,7 +23,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
        argc = setup_revisions(argc, argv, &rev, NULL);
        for (i = 1; i < argc; i++) {
                const char *arg = argv[i];
-                       
+
                if (!strcmp(arg, "--cached"))
                        cached = 1;
                else