Rename variable

This piece of code is always in the scope of the maker, no need to
repeat that.
We also don't need to repeat the data type in the name.

daemon/src/maker_inc_connections.rs

@@ -50,16 +50,16 @@ impl Message for NewTakerOnline {
 
 pub struct Actor {
     write_connections: HashMap<TakerId, MakerToTakerSender>,
-    cfd_maker_actor_address: Address<MakerCfdActor>,
+    cfd_actor: Address<MakerCfdActor>,
 }
 
 impl xtra::Actor for Actor {}
 
 impl Actor {
-    pub fn new(cfd_maker_actor_address: Address<MakerCfdActor>) -> Self {
+    pub fn new(cfd_actor: Address<MakerCfdActor>) -> Self {
         Self {
             write_connections: HashMap::<TakerId, MakerToTakerSender>::new(),
-            cfd_maker_actor_address,
+            cfd_actor,
         }
     }
 
@@ -102,7 +102,7 @@ impl Actor {
     }
 
     async fn handle_new_taker_online(&mut self, msg: NewTakerOnline) -> Result<()> {
-        self.cfd_maker_actor_address
+        self.cfd_actor
             .do_send_async(maker_cfd_actor::NewTakerOnline { id: msg.taker_id })
             .await?;