chore(generator/client): reorder mixed_port

Signed-off-by: Tianling Shen <cnsztl@gmail.com>

root/etc/homeproxy/scripts/generate_client.uc

@@ -44,7 +44,6 @@ if (wan_dns.exitcode === 0 && trim(wan_dns.stdout))
 else
 	wan_dns = (routing_mode in ['proxy_mainland_china', 'global']) ? '208.67.222.222' : '114.114.114.114';
 
-const mixed_port = uci.get(uciconfig, uciinfra, 'mixed_port') || '5330';
 const dns_port = uci.get(uciconfig, uciinfra, 'dns_port') || '5333';
 
 let main_node, main_udp_node, dedicated_udp_node, default_outbound, sniff_override = '1',
@@ -79,6 +78,7 @@ const proxy_mode = uci.get(uciconfig, ucimain, 'proxy_mode') || 'redirect_tproxy
       ipv6_support = uci.get(uciconfig, ucimain, 'ipv6_support') || '0',
       default_interface = uci.get(uciconfig, ucicontrol, 'bind_interface');
 
+const mixed_port = uci.get(uciconfig, uciinfra, 'mixed_port') || '5330';
 let self_mark, redirect_port, tproxy_port,
     tun_name, tun_addr4, tun_addr6, tun_mtu,
     tcpip_stack, endpoint_independent_nat;