Fix messages list column dragging after changing column/sort settings

Aleksander Machniak

2013-06-16 5c74e86eeefceee188265f626a4318c9f2d06001

 program/js/app.js

@@ -5818,7 +5818,7 @@
        }
        th.appendChild(tr);
        thead.parentNode.replaceChild(th, thead);
        thead = th;
        list.thead = thead = th;
      }

      for (n=0, len=this.env.coltypes.length; n<len; n++) {