--- src/common/image/ImagePngFactory.cpp.libpng	2011-11-06 09:48:54.631066973 -0600
+++ src/common/image/ImagePngFactory.cpp	2011-11-06 09:51:06.381811813 -0600
@@ -104,7 +104,7 @@
 
 static void user_png_error(png_structp png_ptr, png_const_charp msg) 
 {
-	longjmp(png_ptr->jmpbuf,1);
+	longjmp(png_jmpbuf(png_ptr),1);
 }
 
 static void user_png_warning(png_structp png_ptr, png_const_charp msg)