Fixes to FG Install

apps/FortigateVPN/uninstall.ps1

@@ -0,0 +1,10 @@
+# array of uninstall args
+$uninstallArgs = "/uninstall"," ","/quiet", "/norestart"
+$dotnetVersions = Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -eq "FortiClient VPN*" }
+
+foreach ($version in $dotnetVersions) {
+    # update array index 1 with version id
+    $uninstallArgs[1] = '"' + $version.IdentifyingNumber + '"'
+    Write-Host "Uninstalling $($version.Name) ($($version.Version))... $("$uninstallArgs")"
+    Start-Process -FilePath "msiexec.exe" -ArgumentList "$uninstallArgs" -Wait
+}