Rename gophercloud.CommonResult references.
diff --git a/openstack/identity/v3/tokens/requests.go b/openstack/identity/v3/tokens/requests.go
index c8587b6..db45cc5 100644
--- a/openstack/identity/v3/tokens/requests.go
+++ b/openstack/identity/v3/tokens/requests.go
@@ -242,7 +242,7 @@
 	if result.Err != nil {
 		return result
 	}
-	result.header = response.HttpResponse.Header
+	result.Headers = response.HttpResponse.Header
 	return result
 }
 
@@ -258,7 +258,7 @@
 	if result.Err != nil {
 		return result
 	}
-	result.header = response.HttpResponse.Header
+	result.Headers = response.HttpResponse.Header
 	return result
 }