$OpenBSD: patch-pbm_pbmtogo_c,v 1.1 2003/03/29 04:13:54 brad Exp $
--- pbm/pbmtogo.c.orig	Fri Jun  9 03:07:04 2000
+++ pbm/pbmtogo.c	Fri Mar 28 20:22:06 2003
@@ -90,6 +90,7 @@ main( argc, argv )
     bitrow = pbm_allocrow(cols);
 
     /* Round cols up to the nearest multiple of 8. */
+    overflow_add(cols, 7);
     rucols = ( cols + 7 ) / 8;
     bytesperrow = rucols;       /* GraphOn uses bytes */
     rucols = rucols * 8;
