coccinelle: convert hashcpy() with null_sha1 to hashclr()

diff --git a/diff.c b/diff.c
index d3734d3181b7eebedf80bf6f3d534c61961dca9f..f2234012fa7b1517828097d79040063cfd3bcdec 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -26,7 +26,7 @@
 #endif
 
 static int diff_detect_rename_default;
-static int diff_compaction_heuristic = 1;
+static int diff_compaction_heuristic; /* experimental */
 static int diff_rename_limit_default = 400;
 static int diff_suppress_blank_empty;
 static int diff_use_color_default = -1;
@@ -3134,7 +3134,7 @@ static void diff_fill_sha1_info(struct diff_filespec *one)
                if (!one->sha1_valid) {
                        struct stat st;
                        if (one->is_stdin) {
-                               hashcpy(one->sha1, null_sha1);
+                               hashclr(one->sha1);
                                return;
                        }
                        if (lstat(one->path, &st) < 0)