cleanup

bramble-core/src/main/java/org/briarproject/bramble/mailbox/protocol/MailboxMessage.java

@@ -50,8 +50,7 @@ public interface MailboxMessage {
 	 * match responses to a request.
 	 * <p>
 	 * (NOTE: This identifier is only unique for "active" requests, which
-	 * wer sent and await a response. Replay protection must be provided by the
-	 * underlying protocol!)
+	 * have benn sent and await a response)
 	 */
 	long getId();
 

bramble-core/src/main/java/org/briarproject/bramble/mailbox/protocol/MailboxProtocol.java

@@ -67,7 +67,7 @@ public class MailboxProtocol implements Runnable {
 	public void writeRequest(MailboxRequest req)
 			throws InterruptedException, IOException {
 		if (req.hasResponse())
-			pendingRequests.put(req.getId(), (MailboxRequest) req);
+			pendingRequests.put(req.getId(), req);
 		writeMailboxMessage(req);
 
 	}