Fix SimpleRateLimitedOutputQueue endlessly requeueing lines rather than sending them.

irc/src/main/java/com/dmdirc/parser/irc/outputqueue/SimpleRateLimitedOutputQueue.java

     protected void handleQueuedItems() {
         try {
             while (isQueueEnabled()) {
-                sendLine(getQueue().take().getLine());
+                send(getQueue().take().getLine());
 
                 final boolean doSleep;
                 synchronized (this) {