distinguish x64 and x86

appveyor.yml

@@ -116,7 +116,12 @@ install:
     #- ps: (new-object net.webclient).DownloadFile('http://windows.php.net/downloads/php-sdk/deps-' + ${env:PHP_DEPSVER} + '-vc' + ${env:PHP_VC} + '-' + ${env:BUILD_PLATFORM} + '.7z', ${env:APPVEYOR_BUILD_FOLDER} + '\..\deps.7z')
     - echo Downloading MSODBCSQL 13.1
     #- ps: $msiPath = "$($env:USERPROFILE)\msodbcsql.msi"
-    - ps: (new-object net.webclient).DownloadFile('https://download.microsoft.com/download/D/5/E/D5EEF288-A277-45C8-855B-8E2CB7E25B96/' + ${env:BUILD_PLATFORM} + '/msodbcsql.msi', 'c:\projects\msodbcsql.msi')
+    - ps: >-
+        If ($env:BUILD_PLATFORM -Match "x64") {
+            (new-object net.webclient).DownloadFile('https://download.microsoft.com/download/D/5/E/D5EEF288-A277-45C8-855B-8E2CB7E25B96/x64/msodbcsql.msi', 'c:\projects\msodbcsql.msi')
+        } Else {
+            (new-object net.webclient).DownloadFile('https://download.microsoft.com/download/D/5/E/D5EEF288-A277-45C8-855B-8E2CB7E25B96/x86/msodbcsql.msi', 'c:\projects\msodbcsql.msi')
+        }    
     #- ps: msiexec /i msodbcsql.msi /quiet /qn /norestart
     #- ps: msiexec /i msodbcsql.msi /quiet /norestart /l install.log
     - cmd /c start /wait msiexec /i "c:\projects\msodbcsql.msi" /q