Correct build error on list of cose_c sources
Correct build error on list of cose_c sources

jimsch/COSE-C,cose-wg/COSE-C,hildjj/COSE-C,jimsch/COSE-C,cose-wg/COSE-C,cose-wg/COSE-C,hildjj/COSE-C,hildjj/COSE-C,jimsch/COSE-C