added missing semicolon

Author: bonchan

js/main.js

@@ -918,7 +918,7 @@ function BlackboxLogViewer() {
             a.dataset.downloadurl =  [fileType, a.download, a.href].join(':');
             e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
             a.dispatchEvent(e);
-          }
+          };
           return callback;
     }