$OpenBSD: patch-texk_web2c_pdftexdir_writeimg_c,v 1.1 2011/07/08 20:37:01 naddy Exp $

Fix build with png-1.5.

--- texk/web2c/pdftexdir/writeimg.c.origy	Mon Jul  4 23:50:50 2011
+++ texk/web2c/pdftexdir/writeimg.c	Mon Jul  4 23:54:32 2011
@@ -137,7 +137,7 @@ integer imagecolordepth(integer img)
 {
     switch (img_type(img)) {
     case IMAGE_TYPE_PNG:
-        return png_info(img)->bit_depth;
+        return png_get_bit_depth(png_ptr(img), png_info(img));
     case IMAGE_TYPE_JPG:
         return jpg_ptr(img)->bits_per_component;
     case IMAGE_TYPE_JBIG2:
@@ -389,7 +389,7 @@ void deleteimage(integer img)
         epdf_delete();
         break;
     case IMAGE_TYPE_PNG:
-        xfclose((FILE *) png_ptr(img)->io_ptr, cur_file_name);
+        xfclose((FILE *) png_get_io_ptr(png_ptr(img)), cur_file_name);
         png_destroy_read_struct(&(png_ptr(img)), &(png_info(img)), NULL);
         break;
     case IMAGE_TYPE_JPG:
