Better result handling

windows/win_feature.ps1

@@ -92,6 +92,9 @@ Elseif ($state -eq "absent") {
 # Loop through results and create a hash containing details about
 # each role/feature that is installed/removed
 $installed_features = @()
+#$featureresult.featureresult is filled if anything was changed
+if ($featureresult.FeatureResult)
+{
     ForEach ($item in $featureresult.FeatureResult) {
         $installed_features += New-Object psobject @{
             id = $item.id.ToString()
@@ -103,12 +106,17 @@ ForEach ($item in $featureresult.FeatureResult) {
         }
     }
     Set-Attr $result "feature_result" $installed_features
-Set-Attr $result "feature_success" $featureresult.Success.ToString()
-Set-Attr $result "feature_exitcode" $featureresult.ExitCode.ToString()
-Set-Attr $result "feature_restart_needed" $featureresult.RestartNeeded.ToString()
     
-If ($result.feature_result.Length -gt 0) {
+
     $result.changed = $true
 }
+Else
+{
+    Set-Attr $result "feature_result" $null
+}
+
+Set-Attr $result "feature_success" $featureresult.Success.ToString()
+Set-Attr $result "feature_exitcode" $featureresult.ExitCode.ToString()
+Set-Attr $result "feature_restart_needed" $featureresult.RestartNeeded.ToString()
 
 Exit-Json $result;