Rackspace Auto Scale: Add webhooks Get()
diff --git a/rackspace/autoscale/v1/webhooks/results.go b/rackspace/autoscale/v1/webhooks/results.go
index 410f5cb..0fa550e 100644
--- a/rackspace/autoscale/v1/webhooks/results.go
+++ b/rackspace/autoscale/v1/webhooks/results.go
@@ -11,6 +11,21 @@
 	gophercloud.Result
 }
 
+// Extract interprets any webhookResult as a Webhook, if possible.
+func (r webhookResult) Extract() (*Webhook, error) {
+	if r.Err != nil {
+		return nil, r.Err
+	}
+
+	var response struct {
+		Webhook Webhook `mapstructure:"webhook"`
+	}
+
+	err := mapstructure.Decode(r.Body, &response)
+
+	return &response.Webhook, err
+}
+
 // CreateResult represents the result of a create operation. Multiple webhooks
 // can be created in a single call, so the result should be treated as a typical
 // pagination Page.  ExtractWebhooks() can be used to extract a slice of
@@ -19,6 +34,11 @@
 	pagination.SinglePageBase
 }
 
+// GetResult temporarily contains the response from a Get call.
+type GetResult struct {
+	webhookResult
+}
+
 // ExtractWebhooks extracts a slice of Webhooks from a CreateResult.
 func (res CreateResult) ExtractWebhooks() ([]Webhook, error) {
 	if res.Err != nil {