bulkchange: fix missing closing div for form errors

If there are errors we need to close the div or it'll expand to
encompass all of the remaining fields in the form.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

templates/layerindex/bulkchangeedit.html

@@ -44,6 +44,9 @@
                     </span>
                 </div>
             </div>
+            {% if field.errors %}
+            </div>
+            {% endif %}
         {% endfor %}
     {% endfor %}
     <input type="submit" class="btn" name="save" value="Save"></input>