lib: Fix retval of _search_finish()
lib: Fix retval of _search_finish()

zeenix/geocode-glib,Distrotech/geocode-glib,zeenix/geocode-glib,mlundblad/geocode-glib,mlundblad/geocode-glib,Distrotech/geocode-glib,mlundblad/geocode-glib,zeenix/geocode-glib