small routing to the internet fix

src/util.rs

@@ -153,6 +153,7 @@ pub fn append_internet_to_packet_route(
     if let Some((rc, rs)) = first_future {
         if rc == callsign && rs == ssid {
             // we can just do the normal thing
+            // since we're replacing the existing future node, this should never fail, unless we run out of byte space
             route.append_node(callsign, ssid, Some(rssi)).ok()?;
         } else {
             // rip off all the futures and add ourselves
@@ -174,7 +175,7 @@ pub fn append_internet_to_packet_route(
             route.push_callsign(RouteIdentity::new(callsign, ssid, Some(rssi), false));
         }
     } else {
-        route.append_node(callsign, ssid, Some(rssi)).ok()?;
+        route.push_callsign(RouteIdentity::new(callsign, ssid, Some(rssi), false))?;
     }
 
     route.push_internet()?;