Prevented a console warning if asl-rulebook2 has not been configured.

vasl_templates/webapp/static/main.js

@@ -353,8 +353,7 @@ $(document).ready( function () {
         gAslRulebook2VoNoteTargets = data ;
         update_page_load_status( "asl-rulebook2-vo-note-targets" ) ;
     } ).fail( function( xhr, status, errorMsg ) {
-        if ( xhr.status != 404 )
-            showErrorMsg( "Can't get the ASL Rulebook2 vehicle/ordnance note targets:<div class='pre'>" + escapeHTML(errorMsg) + "</div>" ) ;
+        showErrorMsg( "Can't get the ASL Rulebook2 vehicle/ordnance note targets:<div class='pre'>" + escapeHTML(errorMsg) + "</div>" ) ;
         update_page_load_status( "asl-rulebook2-vo-note-targets" ) ;
     } ) ;
 

vasl_templates/webapp/vo_notes.py

@@ -363,7 +363,8 @@ def get_vo_notes_report( nat, vo_type ):
 def get_asl_rulebook2_vo_note_targets():
     """Return the Chapter H vehicle/ordnance note targets."""
     if not _asl_rulebook2_targets:
-        abort( 404 )
+        # FUDGE! We should really 404 here, but this causes a warning to appear in the browser console :-/
+        return jsonify( {} )
     return jsonify( _asl_rulebook2_targets )
 
 @app.route( "/asl-rulebook2/<path:target>" )