topng: 64-bit fix

R=rsc http://codereview.appspot.com/2124042
2010-09-03 10:21:44 -04:00 · 2010-09-03 10:21:44 -04:00 · 77929f8261
commit 77929f8261
parent ef5c6a6eda
1 changed files with 1 additions and 1 deletions
--- a/src/cmd/jpg/writepng.c
+++ b/src/cmd/jpg/writepng.c
@ -228,7 +228,7 @@ memwritepng(Biobuf *bo, Memimage *r, ImageInfo *II)
 	/* image chunks */
 	zr.nrow = nrow;
 	zr.ncol = ncol;
-	zr.width = rgb->width * sizeof(ulong);
+	zr.width = rgb->width * sizeof(uint32);
 	zr.data = rgb->data->bdata;
 	zr.row = zr.col = 0;
 	zr.pixwid = chantodepth(rgb->chan)/8;