lib: Add missing header to main header
lib: Add missing header to main header

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