1 files changed, 1 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index 968a8dce95..2ef3341fb0 100644
--- a/diff.h
+++ b/diff.h
@@ -210,6 +210,7 @@ extern int diff_setup_done(struct diff_options *);
 #define DIFF_PICKAXE_REGEX	2
 
 extern void diffcore_std(struct diff_options *);
+extern void diffcore_fix_diff_index(struct diff_options *);
 
 #define COMMON_DIFF_OPTIONS_HELP \
 "\ncommon diff options:\n" \