Rename _ol_source_OSM_ to OSM

examples/graticule.js

@@ -3,14 +3,14 @@ import Map from '../src/ol/Map.js';
 import View from '../src/ol/View.js';
 import TileLayer from '../src/ol/layer/Tile.js';
 import {fromLonLat} from '../src/ol/proj.js';
-import _ol_source_OSM_ from '../src/ol/source/OSM.js';
+import OSM from '../src/ol/source/OSM.js';
 import _ol_style_Stroke_ from '../src/ol/style/Stroke.js';
 
 
 var map = new Map({
   layers: [
     new TileLayer({
-      source: new _ol_source_OSM_({
+      source: new OSM({
         wrapX: false
       })
     })