[devel] Trying a different PNG_UNUSED macro.

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.5.1beta10 - January 27, 2011
+Libpng 1.5.1beta11 - January 27, 2011
 
 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.
@@ -9,20 +9,20 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.5.1beta10.tar.xz (LZMA-compressed, recommended)
-   1.5.1beta10.tar.gz
-   1.5.1beta10.tar.bz2
+   1.5.1beta11.tar.xz (LZMA-compressed, recommended)
+   1.5.1beta11.tar.gz
+   1.5.1beta11.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp151b10.7z  (LZMA-compressed, recommended)
-   lp151b10.zip
+   lp151b11.7z  (LZMA-compressed, recommended)
+   lp151b11.zip
 
 Other information:
 
-   1.5.1beta10-README.txt
-   1.5.1beta10-LICENSE.txt
+   1.5.1beta11-README.txt
+   1.5.1beta11-LICENSE.txt
 
 Changes since the last public release (1.5.0):
 
@@ -96,7 +96,7 @@ Version 1.5.1beta09 [January 24, 2011]
     documentation did not accurately describe what libpng really does when
     converting RGB to gray.
 
-Version 1.5.1beta10 [January 27, 2011]
+Version 1.5.1beta10 [January 27, 2010]
   Fixed incorrect examples of callback prototypes in the manual, that were
     introduced in libpng-1.0.0.
   In addition the order of the png_get_uint macros with respect to the
@@ -108,6 +108,9 @@ Version 1.5.1beta10 [January 27, 2011]
   Made the manual, synopses, and function prototypes use the function
     argument names file_gamma, int_file_gamma, and srgb_intent consistently.
 
+Version 1.5.1beta11 [January 27, 2011]
+  Changed PNG_UNUSED from "param=param;" to "(void)(param ? 0 : 0));" (Cosmin)
+
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