small optimization

3 years ago · c879097e89
parent d9c22be57e
commit c879097e89
1 changed files with 1 additions and 1 deletions
--- a/histogram.cc
+++ b/histogram.cc
@ -115,7 +115,7 @@ void histogram_update(VideoFrame *vf) {
 	// save some time
 	static int to = 0;
-	if ((++to) % 8 == 0) to = 0;
+	if ((++to) % 8 == 0) return;
 	int chan, i, x, y;