Fix retrieving extension list when there's no extension (#129)

Author: mlocati

PhpManager/private/Get-PhpExtensionDetail.ps1

@@ -51,14 +51,13 @@
                     throw "Unable to find the file/folder $folder"
                 }
             }
+            $somethingToInspect = $false
             if (Test-Path -Path $folder -PathType Container) {
                 $subFiles = Get-ChildItem -Path $folder -Filter '*.dll' | Select-Object -ExpandProperty 'FullName'
-                $somethingToInspect = $null -ne $subFiles -and $subFiles.Count -gt 0
-                if ($somethingToInspect) {
+                if ($subFiles) {
                     $inspectorParameters += $subFiles
+                    $somethingToInspect = $true
                 }
-            } else {
-                $somethingToInspect = $false
             }
         }
         if ($somethingToInspect) {