dyndns: minor tweaks+note that ipv6 missing from widget

src/www/services_dyndns.php

@@ -151,7 +151,7 @@ $main_buttons = array(
                         }
                         echo htmlspecialchars($cached_ip);
                         echo "</font>";
-                      } elseif (file_exists($filename_v6)) {
+                      } elseif (file_exists($filename_v6) && !empty($dyndns['enable'])) {
                         $ipv6addr = get_interface_ipv6($dyndns['interface']);
                         $cached_ipv6_s = explode("|", file_get_contents($filename_v6));
                         $cached_ipv6 = $cached_ipv6_s[0];
@@ -163,7 +163,7 @@ $main_buttons = array(
                         echo htmlspecialchars($cached_ipv6);
                         echo "</font>";
                       } else {
-                        echo "N/A";
+                        echo gettext('N/A');
                       }?>
                       </td>
                       <td><?=$dyndns['descr'];?></td>

src/www/widgets/widgets/dyn_dns_status.widget.php

@@ -53,7 +53,7 @@ if ($_REQUEST['getdyndnsstatus']) {
         }
 
         $filename = "/conf/dyndns_{$dyndns['interface']}{$dyndns['type']}" . escapeshellarg($dyndns['host']) . "{$dyndns['id']}.cache";
-        if (file_exists($filename)) {
+        if (file_exists($filename) && !empty($dyndns['enable'])) {
             $ipaddr = dyndnsCheckIP($dyndns['interface']);
             $cached_ip_s = preg_split('/:/', file_get_contents($filename));
             $cached_ip = $cached_ip_s[0];
@@ -64,8 +64,9 @@ if ($_REQUEST['getdyndnsstatus']) {
             }
             echo htmlspecialchars($cached_ip);
             echo "</font>";
+        /* XXX IPv6 missing */
         } else {
-            echo gettext("N/A ") . date("H:i:s");
+            echo '<span class="text-muted">' . gettext('N/A') . '</span>';
         }
     }
     exit;