Don't pull from request queue unless the next item also was already up for voting.

src/GroovePlayer.cpp

@@ -323,7 +323,7 @@ void GroovePlayerMgr::grooveEventLoop()
             else
             {
                 //Pick request song if there are any.
-                if(requestQueue.size() > 0)
+                if(requestQueue.size() > 0 && requestQueue.front().first.trackFingerprint == currentVoteBatch.back().trackFingerprint) //Assumes back is track 3.
                 {
                     winner = requestQueue.front().first;
                     requestQueue.pop_front();