Add missing semicolon.

accountant/frontend/static/js/entries.js

@@ -90,7 +90,7 @@ accountantApp
   $scope.brightenColor = function(color) {
     brightness = 0.2;
 
-    return Highcharts.Color(color).brighten(brightness).get()
+    return Highcharts.Color(color).brighten(brightness).get();
   };
 
   // Load categories, mainly to populate the pie chart.