[libpng16] Mention CVE-2016-5737 in CHANGES, update intel "last changed" date

ANNOUNCE

-Libpng 1.6.30beta04 - May 22, 2017
+Libpng 1.6.30beta04 - May 24, 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.
@@ -35,7 +35,8 @@ Version 1.6.30beta01 [April 1, 2017]
 Version 1.6.30beta02 [April 22, 2017]
   Document need to check for integer overflow when allocating a pixel
     buffer for multiple rows in contrib/gregbook, contrib/pngminus,
-    example.c, and in the manual (suggested by Jaeseung Choi).
+    example.c, and in the manual (suggested by Jaeseung Choi). This
+    is similar to the bug reported against pngquant in CVE-2016-5735.
   Removed reference to the obsolete PNG_SAFE_LIMITS macro in the documentation.
 
 Version 1.6.30beta03 [May 22, 2017]
@@ -44,7 +45,7 @@ Version 1.6.30beta03 [May 22, 2017]
   Test CMAKE_HOST_WIN32 instead of WIN32 in CMakeLists.txt.
   Fix some URL in documentation.
 
-Version 1.6.30beta04 [May 22, 2017]
+Version 1.6.30beta04 [May 24, 2017]
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

CHANGES

@@ -5830,7 +5830,8 @@ Version 1.6.30beta01 [April 1, 2017]
 Version 1.6.30beta02 [April 22, 2017]
   Document need to check for integer overflow when allocating a pixel
     buffer for multiple rows in contrib/gregbook, contrib/pngminus,
-    example.c, and in the manual (suggested by Jaeseung Choi).
+    example.c, and in the manual (suggested by Jaeseung Choi). This
+    is similar to the bug reported against pngquant in CVE-2016-5735.
   Removed reference to the obsolete PNG_SAFE_LIMITS macro in the documentation.
 
 Version 1.6.30beta03 [May 22, 2017]
@@ -5839,7 +5840,7 @@ Version 1.6.30beta03 [May 22, 2017]
   Test CMAKE_HOST_WIN32 instead of WIN32 in CMakeLists.txt.
   Fix some URL in documentation.
 
-Version 1.6.30beta04 [May 22, 2017]
+Version 1.6.30beta04 [May 24, 2017]
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

intel/filter_sse2_intrinsics.c

@@ -5,7 +5,7 @@
  * Written by Mike Klein and Matt Sarett
  * Derived from arm/filter_neon_intrinsics.c
  *
- * Last changed in libpng 1.6.29 [(PENDING RELEASE)]
+ * Last changed in libpng 1.6.29 [March 16, 2017]
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer

intel/intel_init.c

@@ -5,7 +5,7 @@
  * Written by Mike Klein and Matt Sarett, Google, Inc.
  * Derived from arm/arm_init.c
  *
- * Last changed in libpng 1.6.29 [(PENDING RELEASE)]
+ * Last changed in libpng 1.6.29 [March 16, 2017]
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer