lstat_cache(): print a warning if doing ping-pong between cache types

diff --git a/diff.h b/diff.h
index 4d5a32781da81295d5aa1b4dd33dd2765be3ff89..23cd90c2e64cf8be44999be812a0765cbe36c9f8 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -98,6 +98,7 @@ struct diff_options {
 
        int stat_width;
        int stat_name_width;
+       const char *word_regex;
 
        /* this is set by diffcore for DIFF_FORMAT_PATCH */
        int found_changes;