Send final FEC frame status info to Sunshine

This info will be used for dynamic FEC and dynamic video packet batch size.

src/Limelight-internal.h

@@ -93,6 +93,7 @@ void connectionDetectedFrameLoss(int startFrame, int endFrame);
 void connectionReceivedCompleteFrame(int frameIndex);
 void connectionSawFrame(int frameIndex);
 void connectionLostPackets(int lastReceivedPacket, int nextReceivedPacket);
+void connectionSendFrameFecStatus(PSS_FRAME_FEC_STATUS fecStatus);
 int sendInputPacketOnControlStream(unsigned char* data, int length);
 bool isControlDataInTransit(void);