routes: fixes and closes #334

src/www/diag_routes.php

@@ -215,8 +215,8 @@ include('head.inc');
                     <header class="content-box-head container-fluid">
 				        <h3>IPv4</h3>
 				    </header>
-
-				     <table class="table table-striped table-sort sortable __nomb" id="IPv4" summary="ipv4 routes">
+				     <table class="table table-striped table-sort sortable __nomb" id="IPv4" summary="IPv4 routes">
+						<thead></thead>
 						<tbody>
 							<tr><td class="listhdrr"><?=gettext("Gathering data, please wait...");?></td></tr>
 						</tbody>
@@ -232,7 +232,7 @@ include('head.inc');
 				        <h3>IPv6</h3>
 				    </header>
 					<table class="table table-striped table-sort sortable __nomb" id="IPv6" summary="IPv6 routes">
-
+						<thead></thead>
 						<tbody>
 							<tr><td class="listhdrr"><?=gettext("Gathering data, please wait...");?></td></tr>
 						</tbody>