Add a comment about who is responsible for freeing string values that libconfuse have allocated.
Add a comment about who is responsible for freeing string values that
libconfuse have allocated.

peda-r/libconfuse,peda-r/libconfuse,westermo/libconfuse,martinh/libconfuse,troglobit/libconfuse,martinh/libconfuse,westermo/libconfuse,troglobit/libconfuse