diff.c: remove output_prefix_length field

diff --git a/diff.h b/diff.h
index 125447be09ebf1d79beb7312785c2e89654fbdb0..49e4aaafb2daf32b72103a20a4e6b43cc701a051 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -174,7 +174,6 @@ struct diff_options {
        diff_format_fn_t format_callback;
        void *format_callback_data;
        diff_prefix_fn_t output_prefix;
-       int output_prefix_length;
        void *output_prefix_data;
 
        int diff_path_counter;