Enable color profile support in libpng. We're going to use this in WebKit.

libpng/pngrutil.c

 
 /* pngrutil.c - utilities to read a PNG file
  *
  * Last changed in libpng 1.2.44 [June 26, 2010]
  * Copyright (c) 1998-2010 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.)
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer
@@ skipping 341 matching lines @@
 
       /* If the size is zero either there was an error and a message
        * has already been output (warning) or the size really is zero
        * and we have nothing to do - the code will exit through the
        * error case below.
        */
 #if defined(PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED) || \
     defined(PNG_USER_CHUNK_MALLOC_MAX)
       else
 #endif
-      if (expanded_size > 0
+      if (expanded_size > 0)
       {
          /* Success (maybe) - really uncompress the chunk. */
          png_size_t new_size = 0;
          png_charp text = png_malloc_warn(png_ptr,
                         prefix_size + expanded_size + 1);
 
          if (text != NULL)
          {
             png_memcpy(text, png_ptr->chunkdata, prefix_size);
             new_size = png_inflate(png_ptr,
@@ skipping 2998 matching lines @@
    png_debug1(3, "height = %lu,", png_ptr->height);
    png_debug1(3, "iwidth = %lu,", png_ptr->iwidth);
    png_debug1(3, "num_rows = %lu,", png_ptr->num_rows);
    png_debug1(3, "rowbytes = %lu,", png_ptr->rowbytes);
    png_debug1(3, "irowbytes = %lu",
        PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->iwidth) + 1);
 
    png_ptr->flags |= PNG_FLAG_ROW_INIT;
 }
 #endif /* PNG_READ_SUPPORTED */