[libpng15] Update CHANGES and ANNOUNCE per recent pull request.
diff --git a/ANNOUNCE b/ANNOUNCE
index da13b17..33b507a 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.5.24beta02 - August 21, 2015
+Libpng 1.5.24beta02 - September 19, 2015
 
 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.
@@ -43,8 +43,11 @@
     in ANSI-C (unlike 0x80000000 in the signed case) the checking that
     occurs later can catch them (John Bowler).
 
-Version 1.5.24beta02 [August 21, 2015]
+Version 1.5.24beta02 [September 19, 2015]
   Fixed png_save_int_32 when int is not 2's complement (John Bowler).
+  Fixed byte order in png_set_filler with 16-bit output (previously fixed
+    in libpng-1.6.17).
+  Merged pngvalid.c with version 1.6.19.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index c530ba9..ab1788e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4389,8 +4389,11 @@
     in ANSI-C (unlike 0x80000000 in the signed case) the checking that
     occurs later can catch them (John Bowler).
 
-Version 1.5.24beta02 [August 21, 2015]
+Version 1.5.24beta02 [September 19, 2015]
   Fixed png_save_int_32 when int is not 2's complement (John Bowler).
+  Fixed byte order in png_set_filler with 16-bit output (previously fixed
+    in libpng-1.6.17).
+  Merged pngvalid.c with version 1.6.19.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/contrib/libtests/pngvalid.c b/contrib/libtests/pngvalid.c
index 5fa363a..e9f4ee3 100644
--- a/contrib/libtests/pngvalid.c
+++ b/contrib/libtests/pngvalid.c
@@ -1,7 +1,7 @@
 
 /* pngvalid.c - validate libpng by constructing then reading png files.
  *
- * Last changed in libpng 1.6.18 [(PENDING RELEASE)]
+ * Last changed in libpng 1.5.24 [%RDATE%]
  * Copyright (c) 2014-2015 Glenn Randers-Pehrson
  * Written by John Cunningham Bowler
  *