t/helper: add a test helper to compute hash speed

diff --git a/range-diff.h b/range-diff.h
index f26de5d0b04e8feefe044da6db63183f4e4e1fd8..190593f0c78151c99cc6e87161137b99c2615c80 100644 (file)
--- a/range-diff.h
+++ b/range-diff.h
@@ -6,6 +6,7 @@
 #define RANGE_DIFF_CREATION_FACTOR_DEFAULT 60
 
 int show_range_diff(const char *range1, const char *range2,
-                   int creation_factor, struct diff_options *diffopt);
+                   int creation_factor, int dual_color,
+                   struct diff_options *diffopt);
 
 #endif