$OpenBSD: patch-pbm_pbmtox10bm_c,v 1.1 2003/03/29 04:13:54 brad Exp $
--- pbm/pbmtox10bm.c.orig	Fri Jun  9 03:07:01 2000
+++ pbm/pbmtox10bm.c	Fri Mar 28 20:22:06 2003
@@ -57,6 +57,7 @@ main( argc, argv )
     bitrow = pbm_allocrow( cols );
 
     /* Compute padding to round cols up to the nearest multiple of 16. */
+    overflow_add(cols, 15);
     padright = ( ( cols + 15 ) / 16 ) * 16 - cols;
 
     printf( "#define %s_width %d\n", name, cols );