Subject: Fixed build with libpng1.5
Last-Update: 2012-03-31
Origin: upstream, http://code.google.com/p/nvidia-texture-tools/source/detail?r=1248

diff --git a/src/nvimage/ImageIO.cpp b/src/nvimage/ImageIO.cpp
index 0b24600..22e920a 100644
--- a/src/nvimage/ImageIO.cpp
+++ b/src/nvimage/ImageIO.cpp
@@ -603,7 +603,7 @@ static void user_read_data(png_structp png_ptr, png_bytep data, png_size_t lengt
 {
 	nvDebugCheck(png_ptr != NULL);
 	
-	Stream * s = (Stream *)png_ptr->io_ptr;
+	Stream * s = (Stream *)png_get_io_ptr(png_ptr);
 	s->serialize(data, (int)length);
 	
 	if (s->isError()) {