update

[l4.git] / l4 / pkg / libpng / lib / dist / pngrtran.c

diff --git a/l4/pkg/libpng/lib/dist/pngrtran.c b/l4/pkg/libpng/lib/dist/pngrtran.c
index 626f3b0ecbefe5c2fb2bd6e764bbf1c5a21533c8..e378ceba4ed684546d79cc0240c8cc3b50d59dc6 100644 (file)
--- a/l4/pkg/libpng/lib/dist/pngrtran.c
+++ b/l4/pkg/libpng/lib/dist/pngrtran.c
@@ -1,7 +1,7 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * Last changed in libpng 1.6.1 [March 28, 2013]
+ * Last changed in libpng 1.6.2 [April 25, 2013]
  * Copyright (c) 1998-2013 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -223,6 +223,8 @@ translate_gamma_flags(png_structrp png_ptr, png_fixed_point output_gamma,
        */
 #     ifdef PNG_READ_sRGB_SUPPORTED
          png_ptr->flags |= PNG_FLAG_ASSUME_sRGB;
+#     else
+         PNG_UNUSED(png_ptr)
 #     endif
       if (is_screen)
          output_gamma = PNG_GAMMA_sRGB;
@@ -1056,9 +1058,6 @@ png_set_read_user_transform_fn(png_structrp png_ptr, png_user_transform_ptr
 {
    png_debug(1, "in png_set_read_user_transform_fn");
 
-   if (!png_rtran_ok(png_ptr, 0))
-      return;
-
 #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
    png_ptr->transformations |= PNG_USER_TRANSFORM;
    png_ptr->read_user_transform_fn = read_user_transform_fn;