luci-app-firewall: use more strict validation for zone names

they shall not begin with a digit.

Signed-off-by: Paul Donald <[email protected]>

Author: systemcrash

applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/zones.js

@@ -130,7 +130,7 @@ return view.extend({
 		o.placeholder = _('Unnamed zone');
 		o.modalonly = true;
 		o.rmempty = false;
-		o.datatype = L.hasSystemFeature('firewall4') ? 'uciname' : 'and(uciname,maxlength(11))';
+		o.datatype = L.hasSystemFeature('firewall4') ? 'ucifw4zonename' : 'and(ucifw4zonename,maxlength(11))';
 		o.write = function(section_id, formvalue) {
 			var cfgvalue = this.cfgvalue(section_id);