Complete update of zlib from 1.2.3 to 1.2.5.

third_party/zlib/zlib.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'conditions': [
       [ 'OS=="none"', {
         # Because we have a patched zlib, we cannot use the system libz.
         # TODO(pvalchev): OpenBSD is purposefully left out, as the system
@@ skipping 11 matching lines @@
       'type': 'static_library',
       'conditions': [
         ['use_system_zlib==0', {
           'sources': [
             'adler32.c',
             'compress.c',
             'crc32.c',
             'crc32.h',
             'deflate.c',
             'deflate.h',
-            'gzio.c',
+            'gzclose.c',
+            'gzguts.h',
+            'gzlib.c',
+            'gzread.c',
+            'gzwrite.c',
             'infback.c',
             'inffast.c',
             'inffast.h',
             'inffixed.h',
             'inflate.c',
             'inflate.h',
             'inftrees.c',
             'inftrees.h',
             'mozzconf.h',
             'trees.c',
@@ skipping 110 matching lines @@
             ],
           },
           'cflags': [
             '-Wno-parentheses-equality',
           ],
         }],
       ],
     }
   ],
 }