Alphabetize setup.cfg

noticed that volume type list was out of order.

Change-Id: I965a201bc9c0fac67d01d5ee368149cac89095c9

Author: Steve Martinelli

setup.cfg

@@ -393,9 +393,9 @@ openstack.volume.v2 =
     snapshot_show = openstackclient.volume.v2.snapshot:ShowSnapshot
     snapshot_unset = openstackclient.volume.v2.snapshot:UnsetSnapshot
 
-    volume_list = openstackclient.volume.v2.volume:ListVolume
     volume_create = openstackclient.volume.v2.volume:CreateVolume
     volume_delete = openstackclient.volume.v2.volume:DeleteVolume
+    volume_list = openstackclient.volume.v2.volume:ListVolume
     volume_set = openstackclient.volume.v2.volume:SetVolume
     volume_show = openstackclient.volume.v2.volume:ShowVolume
     volume_unset = openstackclient.volume.v2.volume:UnsetVolume