bugfix to previous bugfix to refseq-changing name search, grr.

src/JBrowse/Browser.js

@@ -814,7 +814,7 @@ Browser.prototype.navigateToLocation = function( location ) {
     // if different, we need to poke some other things before going there
     else {
         // record names of open tracks and re-open on new refseq
-        var curTracks = this.view.visibleTracks();
+        var curTracks = this.view.visibleTrackNames();
 
         this.refSeq = this.allRefs[location.ref];