Fix NRE

Author: vivsriaus

src/ResourceManager/Resources/Commands.Resources/Models.ResourceGroups/ResourceClient.cs

@@ -245,23 +245,33 @@ private void WriteDeploymentProgress(string resourceGroup, string deploymentName
 
                 if (operation.Properties.ProvisioningState != ProvisioningState.Failed)
                 {
-                    statusMessage = string.Format(normalStatusFormat,
+                    if (operation.Properties.TargetResource != null)
+                    {
+                        statusMessage = string.Format(normalStatusFormat,
                         operation.Properties.TargetResource.ResourceType,
                         operation.Properties.TargetResource.ResourceName,
                         operation.Properties.ProvisioningState.ToLower());
 
-                    WriteVerbose(statusMessage);
+                        WriteVerbose(statusMessage);
+                    }
                 }
                 else
                 {
                     string errorMessage = ParseErrorMessage(operation.Properties.StatusMessage);
 
-                    statusMessage = string.Format(failureStatusFormat,
+                    if(operation.Properties.TargetResource != null)
+                    {
+                        statusMessage = string.Format(failureStatusFormat,
                         operation.Properties.TargetResource.ResourceType,
                         operation.Properties.TargetResource.ResourceName,
                         errorMessage);
 
-                    WriteError(statusMessage);
+                        WriteError(statusMessage);
+                    }
+                    else
+                    {
+                        WriteError(errorMessage);
+                    }
 
                     List<string> detailedMessage = ParseDetailErrorMessage(operation.Properties.StatusMessage);