Imported from libpng-1.4.0beta43.tar
diff --git a/pngwutil.c b/pngwutil.c
index e19e05d..4ff2e01 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
- * Last changed in libpng 1.4.0 [December 1, 2008]
+ * Last changed in libpng 1.4.0 [December 2, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1144,7 +1144,7 @@
(png_ptr->num_palette ||
(!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE))) &&
#endif
- back->index > png_ptr->num_palette)
+ back->index >= png_ptr->num_palette)
{
png_warning(png_ptr, "Invalid background palette index");
return;