git-whatchanged: Add usage string

diff --git a/diff-index.c b/diff-index.c
index c9a9f4c74d96ea22b2a6c4c7593bccc3d5396457..0054883a5e18aaacc682bb8369c6f0376cf75306 100644 (file)
--- a/diff-index.c
+++ b/diff-index.c
@@ -180,7 +180,7 @@ int main(int argc, const char **argv)
        int allow_options = 1;
        int i;
 
-       git_config(git_default_config);
+       git_config(git_diff_config);
        diff_setup(&diff_options);
        for (i = 1; i < argc; i++) {
                const char *arg = argv[i];