$OpenBSD: patch-modules_codec_png_c,v 1.1 2011/07/08 20:38:02 naddy Exp $

Fix build with png-1.5.

--- modules/codec/png.c.orig	Tue Jul  5 12:28:47 2011
+++ modules/codec/png.c	Tue Jul  5 12:29:21 2011
@@ -155,7 +155,7 @@ static picture_t *DecodeBlock( decoder_t *p_dec, block
     p_info = png_create_info_struct( p_png );
     if( p_info == NULL )
     {
-        png_destroy_read_struct( &p_png, png_infopp_NULL, png_infopp_NULL );
+        png_destroy_read_struct( &p_png, NULL, NULL );
         block_Release( p_block ); *pp_block = NULL;
         return NULL;
     }
@@ -163,7 +163,7 @@ static picture_t *DecodeBlock( decoder_t *p_dec, block
     p_end_info = png_create_info_struct( p_png );
     if( p_end_info == NULL )
     {
-        png_destroy_read_struct( &p_png, &p_info, png_infopp_NULL );
+        png_destroy_read_struct( &p_png, &p_info, NULL );
         block_Release( p_block ); *pp_block = NULL;
         return NULL;
     }
