$OpenBSD: patch-texk_dvipng_special_c,v 1.1 2005/02/21 21:36:07 sturm Exp $
--- texk/dvipng/special.c.orig	Fri Feb 11 22:21:48 2005
+++ texk/dvipng/special.c	Fri Feb 11 22:22:11 2005
@@ -103,13 +103,13 @@ ps2png(const char *psfile, int hresoluti
 	     "-dBATCH", "-dNOPAUSE", "-q", 
 	     "-sOutputFile=-", 
 	     "-dTextAlphaBits=4", "-dGraphicsAlphaBits=4",
-	     "-",NULL);
+	     "-",(void *)NULL);
     else
       execl (GS_PATH, GS_PATH, device, resolution, /*devicesize,*/
 	     "-dBATCH", "-dNOPAUSE", "-dSAFER", "-q", 
 	     "-sOutputFile=-", 
 	     "-dTextAlphaBits=4", "-dGraphicsAlphaBits=4",
-	     "-",NULL);
+	     "-",(void *)NULL);
     _exit (EXIT_FAILURE);
   }
   /* Parent process. */
