fix: resolve recent service scan regressions

libs/grdp/protocol/tpkt/tpkt_test.go

@@ -0,0 +1,13 @@
+package tpkt
+
+import (
+	"testing"
+
+	"github.com/shadow1ng/fscan/libs/grdp/glog"
+)
+
+func TestRecvFastPathWithoutListenerDoesNotPanic(t *testing.T) {
+	glog.SetLevel(glog.NONE)
+	tpkt := &TPKT{}
+	tpkt.recvFastPath([]byte{0x00}, nil)
+}