Update network/iptables_windows.go

    Fixes compilation issues with windows

network/iptables_windows.go

@@ -42,3 +42,10 @@ func ForwardRules(flannelNetwork string) []IPTablesRule {
 func SetupAndEnsureIPTables(rules []IPTablesRule, resyncPeriod int) {
 
 }
+
+func DeleteIPTables(rules []IPTablesRule) error {
+	return nil
+}
+
+func teardownIPTables(ipt IPTables, rules []IPTablesRule) {
+}