Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
  switch to binary sdk 2.0.9 for appveyor

diff --cc .appveyor.yml
index 1a72b8465d5f686c12e6380e4be76dc0bc73177b,a962a940e47df18dd057a768e0798831c9b9fca7..1610adfdc8e542f154bb3273a7ae7efc95587f35
--- 1/.appveyor.yml
--- 2/.appveyor.yml
+++ b/.appveyor.yml
@@@ -24,8 -24,7 +24,8 @@@ environment
          PHP_BUILD_CACHE_BASE_DIR: c:\build-cache  
          PHP_BUILD_OBJ_DIR: c:\obj
          PHP_BUILD_CACHE_SDK_DIR: c:\build-cache\sdk
-         PHP_BUILD_SDK_BRANCH: php-sdk-2.0.8
+         PHP_BUILD_SDK_BRANCH: php-sdk-2.0.9
 +        PHP_BUILD_CRT: vc15
          # ext and env setup for tests
          #MYSQL_TEST_PASSWD: Password12!
          #MYSQL_TEST_USER: root