fix failing extracting directory to file

scripts/obtain/install.ps1

@@ -209,10 +209,12 @@ function Extract-And-Override-Zip([string]$ZipPath, [string]$OutPath) {
         foreach ($entry in $Zip.Entries) {
             $DestinationPath = Get-Absolute-Path $(Join-Path -Path $OutPath -ChildPath $entry.FullName)
             $DestinationDir = Split-Path -Parent $DestinationPath
+            if (-not $DestinationPath.EndsWith("\")) {
                 New-Item -ItemType Directory -Force -Path $DestinationDir | Out-Null
                 [System.IO.Compression.ZipFileExtensions]::ExtractToFile($entry, $DestinationPath, $true)
             }
         }
+    }
     finally {
         if ($Zip -ne $null) {
             $Zip.Dispose()