[libpng16] Update CHANGES and ANNOUNCE
diff --git a/ANNOUNCE b/ANNOUNCE
index f982888..ed47742 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,4 +1,4 @@
-Libpng 1.6.29beta02 - January 20, 2017
+Libpng 1.6.29beta02 - February 22, 2017
 
 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.
@@ -32,9 +32,11 @@
     libpng with "-DPNG_INTEL_SSE" in CPPFLAGS to enable it.
   Simplified conditional compilation in pngvalid.c, for AIX (Michael Felt).
 
-Version 1.6.29beta02 [January 20, 2017]
+Version 1.6.29beta02 [February 22, 2017]
   Avoid conditional directives that break statements in pngrutil.c (Romero
     Malaquias)
+  The contrib/examples/pngtopng.c recovery code was in the wrong if
+    branches; the comments were correct.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index fda475b..8c1b8fb 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5801,9 +5801,11 @@
     libpng with "-DPNG_INTEL_SSE" in CPPFLAGS to enable it.
   Simplified conditional compilation in pngvalid.c, for AIX (Michael Felt).
 
-Version 1.6.29beta02 [January 20, 2017]
+Version 1.6.29beta02 [February 22, 2017]
   Avoid conditional directives that break statements in pngrutil.c (Romero
     Malaquias)
+  The contrib/examples/pngtopng.c recovery code was in the wrong if
+    branches; the comments were correct.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit