[libpng16] Eliminated use of png_sizeof(); use sizeof() instead, and use.

a consistent style for (sizeof type) and (sizeof (array))
diff --git a/CHANGES b/CHANGES
index d86ee33..f8c5d13 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4150,7 +4150,7 @@
   Moved scripts/chkfmt to contrib/tools.
   Changed "a+w" to "u+w" in Makefile.in to fix CVE-2012-3386.
 
-Version 1.6.0beta27 [August 9, 2012]
+Version 1.6.0beta27 [August 10, 2012]
   Do not compile PNG_DEPRECATED, PNG_ALLOC and PNG_PRIVATE when __GNUC__ < 3.
   Do not use __restrict when GNUC is <= 3.1
   Removed references to png_zalloc() and png_zfree() from the manual.
@@ -4164,6 +4164,8 @@
   Re-eliminated the use of strcpy() in pngtest.c.  An unncessary use of
     strcpy() was accidentally re-introduced in libpng16; this change replaces
     it with strncpy().
+  Eliminated use of png_sizeof(); use sizeof() instead.
+  Use a consistent style for (sizeof type) and (sizeof (array))
 
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