win: Updating PHP 7.0 version for build script and AppVeyor

Author: Michael Fero

appveyor.yml

@@ -45,13 +45,13 @@ environment:
   CONFIGURATION_COMPLETE: False
   matrix:
     - PHP: 7.0
-      PHP_VERSION: 7.0.15
+      PHP_VERSION: 7.0.16
       THREAD_SAFE: True
       CMAKE_GENERATOR: Visual Studio 14 2015
       VISUAL_STUDIO_INTERNAL_VERSION: 140
       VISUAL_STUDIO_SHORTHAND_VERSION: 14
     - PHP: 7.0
-      PHP_VERSION: 7.0.15
+      PHP_VERSION: 7.0.16
       THREAD_SAFE: False
       CMAKE_GENERATOR: Visual Studio 14 2015
       VISUAL_STUDIO_INTERNAL_VERSION: 140

ext/vc_build.bat

@@ -118,7 +118,7 @@ SET MPIR_SHA_CHANGESET=67d98ac
 SET PHP_REPOSITORY_URL=https://github.com/php/php-src.git
 SET PHP_DIRECTORY=php
 SET PHP_5_6_BRANCH_TAG_VERSION=php-5.6.30
-SET PHP_7_0_BRANCH_TAG_VERSION=php-7.0.15
+SET PHP_7_0_BRANCH_TAG_VERSION=php-7.0.16
 SET "SUPPORTED_PHP_VERSIONS=5_6 7_0"
 SET "SUPPORTED_PHP_DISPLAY_VERSIONS=5.6 7.0"
 SET "SUPPORTED_PHP_VISUAL_STUDIO_VERSIONS=2012 2015"