[master] Remove mention of empty pngpriv.h in CHANGES

ANNOUNCE

 
-Libpng 1.2.41beta14 - November 3, 2009
+Libpng 1.2.41beta14 - November 4, 2009
 
 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.
@@ -116,8 +116,7 @@ version 1.2.41beta13 [November 3, 2009]
   Patched ltmain.sh for wince support.
   Added PNG_CONVERT_tIME_SUPPORTED macro.
 
-version 1.2.41beta14 [November 3, 2009]
-  Added empty pngpriv.h file as an aid to migration to 1.4.x
+version 1.2.41beta14 [November 4, 2009]
   Make inclusion of time.h in pngconf.h depend on PNG_CONVERT_tIME_SUPPORTED
   Make #define PNG_CONVERT_tIME_SUPPORTED depend on PNG_WRITE_tIME_SUPPORTED
 

CHANGES

@@ -2466,7 +2466,7 @@ version 1.2.40beta01 [August 20, 2009]
 version 1.2.40rc01 [September 2, 2009]
   Various bugfixes and improvements to CMakeLists.txt (Philip Lowman)
 
-version 1.2.40 and 1.0.49 [November 3, 2009]
+version 1.2.40 and 1.0.49 [November 4, 2009]
   No changes.
 
 version 1.0.50 [September 10, 2009]
@@ -2546,8 +2546,7 @@ version 1.2.41beta13 [November 3, 2009]
   Patched ltmain.sh for wince support.
   Added PNG_CONVERT_tIME_SUPPORTED macro.
 
-version 1.2.41beta14 [November 3, 2009]
-  Added empty pngpriv.h file as an aid to migration to 1.4.x
+version 1.2.41beta14 [November 4, 2009]
   Make inclusion of time.h in pngconf.h depend on PNG_CONVERT_tIME_SUPPORTED
   Make #define PNG_CONVERT_tIME_SUPPORTED depend on PNG_WRITE_tIME_SUPPORTED