Changed string in glx selection navigation dialog

OsmAnd/res/values/strings.xml

@@ -9,6 +9,7 @@
          3. All your modified/created strings are in the top of the file (to make easier find what\'s translated).
     PLEASE: Have a look at http://code.google.com/p/osmand/wiki/UIConsistency, it may really improve your and our work  :-)  Thx - Hardy
     -->
+	<string name="navigation_over_track">Start navigation over track?</string>
 	<string name="avoid_roads_msg">You can change route by selecting roads to avoid</string>
     <string name="rendering_value__name">Default</string>
 	<string name="speak_pedestrian">Announce pedestrian crosswalks</string>

OsmAnd/src/net/osmand/plus/activities/MapActivityActions.java

@@ -416,7 +416,7 @@ public class MapActivityActions implements DialogProvider {
 					}
 				});
 			} else {
-				bld.setTitle(R.string.use_displayed_track_for_navigation);
+				bld.setTitle(R.string.navigation_over_track);
 				ArrayAdapter<GPXFile> adapter =new ArrayAdapter<GPXFile>(mapActivity, R.layout.drawer_list_item, gpxFiles){
 					@Override
 					public View getView(int position, View convertView, ViewGroup parent) {