Imported from libpng-1.0.11beta1.tar
diff --git a/pngwrite.c b/pngwrite.c
index 32a2a96..659d2c0 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * libpng 1.0.10 - March 30, 2001
+ * libpng 1.0.11beta1 - April 4, 2001
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2001 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1138,10 +1138,10 @@
 
       if (png_ptr->filter_weights == NULL)
       {
-         png_ptr->filter_weights = (png_uint_16p) png_malloc(png_ptr,
+         png_ptr->filter_weights = (png_uint_16p)png_malloc(png_ptr,
             (png_uint_32)(sizeof(png_uint_16) * num_weights));
 
-         png_ptr->inv_filter_weights = (png_uint_16p) png_malloc(png_ptr,
+         png_ptr->inv_filter_weights = (png_uint_16p)png_malloc(png_ptr,
             (png_uint_32)(sizeof(png_uint_16) * num_weights));
 
          for (i = 0; i < num_weights; i++)
@@ -1173,10 +1173,10 @@
     */
    if (png_ptr->filter_costs == NULL)
    {
-      png_ptr->filter_costs = (png_uint_16p) png_malloc(png_ptr,
+      png_ptr->filter_costs = (png_uint_16p)png_malloc(png_ptr,
          (png_uint_32)(sizeof(png_uint_16) * PNG_FILTER_VALUE_LAST));
 
-      png_ptr->inv_filter_costs = (png_uint_16p) png_malloc(png_ptr,
+      png_ptr->inv_filter_costs = (png_uint_16p)png_malloc(png_ptr,
          (png_uint_32)(sizeof(png_uint_16) * PNG_FILTER_VALUE_LAST));
 
       for (i = 0; i < PNG_FILTER_VALUE_LAST; i++)