oneway_merge(): only lstat() when told to update worktree

diff --git a/xdiff/xhistogram.c b/xdiff/xhistogram.c
index 18f6f997c321b5ac1f4d4211a4d448dc8542c22f..bf99787c3e4c791426311495dda9d4da81cbb571 100644 (file)
--- a/xdiff/xhistogram.c
+++ b/xdiff/xhistogram.c
@@ -252,7 +252,7 @@ static int fall_back_to_classic_diff(struct histindex *index,
                int line1, int count1, int line2, int count2)
 {
        xpparam_t xpp;
-       xpp.flags = index->xpp->flags & ~XDF_HISTOGRAM_DIFF;
+       xpp.flags = index->xpp->flags & ~XDF_DIFF_ALGORITHM_MASK;
 
        return xdl_fall_back_diff(index->env, &xpp,
                                  line1, count1, line2, count2);