mkpoly: Fixes error handling in administrative area type evaluation
mkpoly: Fixes error handling in administrative area type evaluation

mweinelt/ffrn-expansion-map,mweinelt/ffrn-expansion-map,Freifunk-Rhein-Neckar/ffrn-expansion-map,Freifunk-Rhein-Neckar/ffrn-expansion-map,mweinelt/ffrn-expansion-map,Freifunk-Rhein-Neckar/ffrn-expansion-map