[libpng16] Quiet an uninitialized memory warning from VC2013 in png_get_png().

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.6.9rc01 - January 28, 2014
+Libpng 1.6.9rc02 - January 30, 2014
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -9,19 +9,19 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.6.9rc01.tar.xz (LZMA-compressed, recommended)
-   1.6.9rc01.tar.gz
+   1.6.9rc02.tar.xz (LZMA-compressed, recommended)
+   1.6.9rc02.tar.gz
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp169r01.7z  (LZMA-compressed, recommended)
-   lp169r01.zip
+   lp169r02.7z  (LZMA-compressed, recommended)
+   lp169r02.zip
 
 Other information:
 
-   1.6.9rc01-README.txt
-   1.6.9rc01-LICENSE.txt
+   1.6.9rc02-README.txt
+   1.6.9rc02-LICENSE.txt
    Gnupg/*.asc (PGP armored detached signatures)
 
 Changes since the last public release (1.6.8):
@@ -70,6 +70,9 @@ Version 1.6.9beta04 [January 20, 2014]
 Version 1.6.9rc01 [January 28, 2014]
   No changes.
 
+Version 1.6.9rc02 [January 30, 2014]
+  Quiet an uninitialized memory warning from VC2013 in png_get_png().
+
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