additionally return 'error' from 'ToCreateServerMap'
diff --git a/openstack/compute/v2/extensions/bootfromvolume/results.go b/openstack/compute/v2/extensions/bootfromvolume/results.go
index ef093e8..9d33728 100644
--- a/openstack/compute/v2/extensions/bootfromvolume/results.go
+++ b/openstack/compute/v2/extensions/bootfromvolume/results.go
@@ -1,10 +1,10 @@
 package bootfromvolume
 
 type BlockDeviceMapping struct {
-  BootIndex           int    `json:"boot_index"`
-  DeleteOnTermination bool   `json:"delete_on_termination"`
-  DestinationType     string `json:"destination_type"`
-  SourceType          string `json:"source_type"`
-  UUID                string `json:"uuid"`
-  VolumeSize          int    `json:"volume_size"`
+	BootIndex           int    `json:"boot_index"`
+	DeleteOnTermination bool   `json:"delete_on_termination"`
+	DestinationType     string `json:"destination_type"`
+	SourceType          string `json:"source_type"`
+	UUID                string `json:"uuid"`
+	VolumeSize          int    `json:"volume_size"`
 }