channellist: set CI channel inactive if recording with CI

Origin commit data
------------------
Commit: 570d1b10f2
Author: FlatTV <FlatTV@gmx.de>
Date: 2016-06-25 (Sat, 25 Jun 2016)

src/driver/record.h

@@ -233,6 +233,7 @@ class CRecordManager : public CMenuTarget /*, public CChangeObserver*/
 		void StartTimeshift();
 		int GetRecordMode(const t_channel_id channel_id=0);
 		CRecordInstance* getRecordInstance(std::string file);
+		CRecordInstance* getUseCI(); //NI
 		// old code
 #if 0
 		bool MountDirectory(const char *recordingDir);