Fix wrong timeout in lookupIP

The assignment is changed wrongly in process of refactoring parallel
dialer for resolving bootstrap IP.

While at it, also satisfy staticheck for jffs not enabled error.

resolver.go

@@ -143,7 +143,7 @@ func lookupIP(domain string, timeout int, withBootstrapDNS bool) (ips []string)
 	ProxyLog.Debug().Msgf("Resolving %q using bootstrap DNS %q", domain, resolver.nameservers)
 	timeoutMs := 2000
 	if timeout > 0 && timeout < timeoutMs {
-		timeoutMs = timeoutMs
+		timeoutMs = timeout
 	}
 	questionDomain := dns.Fqdn(domain)
 	ipFromRecord := func(record dns.RR) string {