wfn → util Relation

File in include/line/api/wfn	Includes file in include/line/util
wfn_place.h	error.h
wfn_resource.h	error.h
wfn_transition.h	error.h
workflow_net.h	error.h
workflow_net.h	expm.h
workflow_net.h	lu.h
workflow_net.h	matrix.h