Index: files/patch-plugins-png_ir_png.c
===================================================================
RCS file: files/patch-plugins-png_ir_png.c
diff -N files/patch-plugins-png_ir_png.c
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ files/patch-plugins-png_ir_png.c	17 Nov 2011 14:55:46 -0000
@@ -0,0 +1,10 @@
+--- plugins/png/ir_png.c.orig	2011-11-17 15:55:16.000000000 +0100
++++ plugins/png/ir_png.c	2011-11-17 15:55:29.000000000 +0100
+@@ -133,7 +133,6 @@
+       png_set_expand_gray_1_2_4_to_8(png->png_ptr);
+ #endif
+ 
+-        png_set_gray_1_2_4_to_8(png->png_ptr);
+       if (png_get_valid(png->png_ptr, png->info_ptr, PNG_INFO_tRNS))
+         {
+         png_set_tRNS_to_alpha(png->png_ptr);