Make update_acl field visible to admins only in dns SOA.

Author: Till Brehm

interface/web/dns/form/dns_soa.tform.php

@@ -319,6 +319,7 @@
 	)
 );
 
-
+// show update acl to admins only.
+if(!$app->auth->is_admin()) unset($form["tabs"]['dns_soa']['fields']['update_acl']);
 
 ?>

interface/web/dns/templates/dns_soa_edit.htm

@@ -120,10 +120,11 @@ <h1><tmpl_var name="list_head_txt"></h1>
             <div class="form-group">
                 <label for="also_notify" class="col-sm-3 control-label">{tmpl_var name='also_notify_txt'}</label>
                 <div class="col-sm-9"><input type="text" name="also_notify" id="also_notify" value="{tmpl_var name='also_notify'}" class="form-control" /></div></div>
-            <div class="form-group">
+            <tmpl_if name="is_admin">
+			<div class="form-group">
                 <label for="update_acl" class="col-sm-3 control-label">{tmpl_var name='update_acl_txt'}</label>
                 <div class="col-sm-9"><input type="text" name="update_acl" id="update_acl" value="{tmpl_var name='update_acl'}" class="form-control" /></div></div>
-                
+            </tmpl_if>
             <div class="form-group">
                 <label class="col-sm-3 control-label">{tmpl_var name='active_txt'}</label>
                 <div class="col-sm-9">