Update appveyor.yml

Author: TheTechsTech

appveyor.yml

@@ -69,9 +69,15 @@ install:
     - IF %PHP%==1 echo extension=php_mbstring.dll >> php.ini
     - IF %PHP%==1 echo extension=php_fileinfo.dll >> php.ini
     - ps: >-
+        If ($env:php_ver_target -eq "5.6") {
+          Add-Content php.ini "`nextension=php_sqlsrv_nts.dll"
+          Add-Content php.ini "`nextension=php_pdo_sqlsrv_nts.dll"
+          Add-Content php.ini "`n"
+        } Else {
           Add-Content php.ini "`nextension=php_sqlsrv.dll"
           Add-Content php.ini "`nextension=php_pdo_sqlsrv.dll"
           Add-Content php.ini "`n"
+        }
     - IF %PHP%==1 echo extension=php_pgsql.dll >> php.ini
     - IF %PHP%==1 echo extension=php_pdo_pgsql.dll >> php.ini
     - IF %PHP%==1 echo extension=php_sqlite3.dll >> php.ini