diff.c: remove implicit dependency on the_index

diff --git a/read-cache.c b/read-cache.c
index 86134e56a6819b2417a7fe16bc3594d320a34526..6f772b2885c109e6f063acd5cfb038d826b00b0d 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -2137,7 +2137,7 @@ int index_has_changes(struct index_state *istate,
        if (tree || !get_oid_tree("HEAD", &cmp)) {
                struct diff_options opt;
 
-               diff_setup(&opt);
+               repo_diff_setup(the_repository, &opt);
                opt.flags.exit_with_status = 1;
                if (!sb)
                        opt.flags.quick = 1;