setup_git_directory: fix segfault if repository is found in cwd

diff --git a/diff.h b/diff.h
index a0d2ce13994c1a8751bf7b207671e95c5bc5db97..63738c1dd4c71cb1beacaffea40bf51377a137ea 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -59,6 +59,7 @@ struct diff_options {
                 color_diff_words:1,
                 has_changes:1,
                 quiet:1,
+                allow_external:1,
                 exit_with_status:1;
        int context;
        int break_opt;