Blind fix for WaE: class does not fully implement protocol

The Xcode 3 compiler warns: class 'ChannelDelegate' does not fully
implement the 'IOBluetoothRFCOMMChannelDelegate' protocol.

Change-Id: Id468bf7e42e2551fbcc372feefd6ba5967a911fa

sd/source/ui/remotecontrol/OSXBluetooth.mm

@@ -43,6 +43,12 @@
     pSocket = NULL;
 }
 
+// The Xcode 3 compiler warns if we don't implement all methods of the
+// IOBluetoothRFCOMMChannelDelegate protocol. In later SDKs they are
+// marked as @optional.
+
+#pragma GCC diagnostic ignored "-Wprotocol"
+
 @end
 
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