move debug msg

src/rf95/FloodingRouter.cpp

@@ -67,8 +67,8 @@ void FloodingRouter::doTask()
 {
     MeshPacket *p = toResend.dequeuePtr(0);
 
-    DEBUG_MSG("Sending delayed message!\n");
     if (p) {
+        DEBUG_MSG("Sending delayed message!\n");
         // Note: we are careful to resend using the original senders node id
         // We are careful not to call our hooked version of send() - because we don't want to check this again
         Router::send(p);