restore geocoder

src/filetype/metaStruct.js

@@ -1,6 +1,6 @@
 
 const geokit = require('geokit');
-const geocoder = require('offline-geocoder')({ database: 'static/db.sqlite'});
+const geocoder = require('offline-geocoder')({ database: 'static/offline-geocoder.sqlite' });
 
 function ExifGps(lat, latRef, lon, lonRef) {
     this.lat = null;