lqns → util Relation

File in include/line/solvers/wrappers/lqns	Includes file in include/line/util
lqns_probe.h	subprocess.h
solver_lqns.h	error.h
solver_lqns.h	http.h
solver_lqns.h	line_console.h
solver_lqns.h	subprocess.h
solver_lqns.h	tempdir.h
solver_lqns.h	xml.h