Update enable-bitlocker.ps1

enable-bitlocker.ps1

@@ -15,7 +15,7 @@ if ($bitlockerStatus.ProtectionStatus -eq "On") {
 Add-Type -AssemblyName System.Windows.Forms
 
 # Prompt user to select save location for recovery key
-$saveDialog = New-Object System.Windows.Forms.SaveFileDialog
+$saveDialog = [System.Windows.Forms.SaveFileDialog]::new()
 $saveDialog.Filter = "Text Files (*.txt)|*.txt"
 $saveDialog.Title = "Select location to save BitLocker recovery key"
 $saveDialog.FileName = "BitLocker-RecoveryKey-$env:COMPUTERNAME-$(Get-Date -Format 'yyyy-MM-dd').txt"