[patch] ported libpng14 patch

opencv-2.1.0-libpng14.patch (text/plain), 505 bytes, created by Christophe Paccolat on 2010-05-19 18:08:54 UTC

http://www.libpng.org/pub/png/src/libpng-1.2.x-to-1.4.x-summary.txt

--- src/highgui/grfmt_png.cpp
+++ src/highgui/grfmt_png.cpp
@@ -223,7 +223,7 @@
                 png_set_palette_to_rgb( png_ptr );
 
             if( m_color_type == PNG_COLOR_TYPE_GRAY && m_bit_depth < 8 )
-                png_set_gray_1_2_4_to_8( png_ptr );
+                png_set_expand_gray_1_2_4_to_8( png_ptr );
 
             if( CV_MAT_CN(m_type) > 1 && color )
                 png_set_bgr( png_ptr ); // convert RGB to BGR