Update NComRxC.h

Added license header

Author: haroon-oxts

nav/NComRxC.h

@@ -1,5 +1,26 @@
 //============================================================================================================
 //!
+//! The software is protected by copyright of Oxford Technical Solutions at oxts.com.
+//! © 2008 - 2017, Oxford Technical Solutions Ltd.
+//! Unauthorised use, copying or distribution is not permitted.
+//! 
+//! Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 
+//! associated documentation files (the "Software"), to deal in the Software without restriction, including 
+//! without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
+//! copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the 
+//! following conditions:
+//!
+//! All copies or substantial portions of the software must reproduce the above copyright notices, this list 
+//! of conditions and the following disclaimer in the software documentation and/or other materials provided
+//! with the distribution.
+//!
+//! The software is provided by the copyright holders "as is" without any warranty of any kind, express or 
+//! implied, including, but not limited to, warranties of merchantability or fitness for a particular purpose.
+//! In no event shall the copyright holders be liable for any direct, indirect, incidental, special,
+//! exemplary, or consequential damages however caused and on any liability, whether in contract, strict
+//! liability, or tort (including negligence or otherwise) arising in any way out of the use of this software.
+//!
+//!
 //! \file NComRxC.h
 //!
 //! \brief NCom C decoder header.