$OpenBSD: patch-src-IL_src_il_png_c,v 1.1 2011/07/08 20:38:01 naddy Exp $

Fix for png-1.5.

--- src-IL/src/il_png.c.orig	Wed Jul  6 15:09:12 2011
+++ src-IL/src/il_png.c	Wed Jul  6 15:10:26 2011
@@ -278,7 +278,7 @@ ILboolean readpng_get_image(ILdouble display_exponent)
 
 	// Expand low-bit-depth grayscale images to 8 bits
 	if (png_color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) {
-		png_set_gray_1_2_4_to_8(png_ptr);
+		png_set_expand_gray_1_2_4_to_8(png_ptr);
 	}
 
 	// Expand RGB images with transparency to full alpha channels