(legacy) typo in titel, closes https://github.com/opnsense/core/issues/718

src/www/interfaces_vlan_edit.php

@@ -156,7 +156,7 @@ include("head.inc");
               <table class="table table-striped">
                 <thead>
                   <tr>
-                    <td width="22%"><strong><?=gettext("Interface QinQ Edit");?></strong></td>
+                    <td width="22%"><strong><?=gettext("Interface VLAN Edit");?></strong></td>
                     <td width="78%" align="right">
                       <small><?=gettext("full help"); ?> </small>
                       <i class="fa fa-toggle-off text-danger"  style="cursor: pointer;" id="show_all_help_page" type="button"></i></a>