Revert the change of remove the empty line

Author: Simon Zhao (BEYONDSOFT CONSULTING INC)

eng/common/post-build/nuget-verification.ps1

@@ -118,4 +118,4 @@ if ($LASTEXITCODE -ne 0) {
     Write-Error "The verify tool found some problems."
 } else {
     Write-Output "The verify tool succeeded."
-}
+}