Fix XSS issue in drag-n-drop file uploads (#1490530)

Aleksander Machniak

2015-09-09 6731d2116c1edbbec04af4874e46aa033c1828f5

 program/js/editor.js

@@ -548,9 +548,7 @@
        }
      }

      if (rcmail.env.signatures[id]) {
        sigElem.innerHTML = rcmail.env.signatures[id].html;
      }
      sigElem.innerHTML = rcmail.env.signatures[id] ? rcmail.env.signatures[id].html : '';
    }
    else if (!rcmail.env.top_posting) {
      position_element = $(this.editor.getBody()).children().last();