guix/gnu/packages/patches/devil-fix-libpng.patch

From 724194d7a9a91221a564579f64bdd6f0abd64219 Mon Sep 17 00:00:00 2001
From: Noah Mayr <max96at@gmail.com>
Date: Sun, 1 Mar 2015 10:10:56 +0100
Subject: [PATCH] Fixed deprecated libpng API usage.

---
 src-IL/src/il_icon.c | 2 +-
 src-IL/src/il_png.c  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src-IL/src/il_icon.c b/src-IL/src/il_icon.c
index 2ccb1a3..fd9475d 100644
--- a/src-IL/src/il_icon.c
+++ b/src-IL/src/il_icon.c
@@ -525,7 +525,7 @@ ILboolean ico_readpng_get_image(ICOIMAGE *Icon, ILdouble display_exponent)

 	// Expand low-bit-depth grayscale images to 8 bits
 	if (ico_color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) {
-		png_set_gray_1_2_4_to_8(ico_png_ptr);
+		png_set_expand_gray_1_2_4_to_8(ico_png_ptr);
 	}

 	// Expand RGB images with transparency to full alpha channels
diff --git a/src-IL/src/il_png.c b/src-IL/src/il_png.c
index da9517d..2866508 100644
--- a/src-IL/src/il_png.c
+++ b/src-IL/src/il_png.c
@@ -277,7 +277,7 @@ 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