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-rw-r--r--pngwutil.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/pngwutil.c b/pngwutil.c
index a09620cc6..04abe88a9 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
- * libpng version 1.2.8beta2 - November 2, 2004
+ * libpng version 1.2.8beta3 - November 3, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -2048,7 +2048,7 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass)
* been specified by the application, and then writes the row out with the
* chosen filter.
*/
-#define PNG_MAXSUM (~((png_uint_32)0) >> 1)
+#define PNG_MAXSUM (((png_uint_32)(-1)) >> 1)
#define PNG_HISHIFT 10
#define PNG_LOMASK ((png_uint_32)0xffffL)
#define PNG_HIMASK ((png_uint_32)(~PNG_LOMASK >> PNG_HISHIFT))