updated vsts yml

.vsts-ci.yml

@@ -8,7 +8,7 @@ variables:
 steps:
 - task: BatchScript@1
   inputs:
-    filename: "C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Enterprise\\Common7\\Tools\\VsDevCmd.bat"
+    filename: "C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Community\\Common7\\Tools\\VsDevCmd.bat"
     arguments: -no_logo
     modifyEnvironment: true
   displayName: Setup Environment Variables