$OpenBSD: patch-pbm_pbmtocmuwm_c,v 1.1 2003/03/29 04:13:54 brad Exp $
--- pbm/pbmtocmuwm.c.orig	Mon Oct  4 05:10:46 1993
+++ pbm/pbmtocmuwm.c	Fri Mar 28 20:22:06 2003
@@ -43,6 +43,7 @@ main( argc, argv )
     bitrow = pbm_allocrow( cols );
     
     /* Round cols up to the nearest multiple of 8. */
+    overflow_add(cols, 7);
     padright = ( ( cols + 7 ) / 8 ) * 8 - cols;
 
     putinit( rows, cols );
