Converted frequency to long primitive type (from integer) in anticipation of HackRF support which requires frequencies greater than 2.147 GHz, which is the max hertz value that can be represented by an integer primitive.

src/source/tuner/fcd/FCDTuner.java

@@ -92,7 +92,7 @@ public class FCDTuner extends MixerTuner
     }
 	
 	@Override
-    public int getFrequency() throws SourceException
+    public long getFrequency() throws SourceException
     {
 		return mController.getFrequency();
     }