Update RF24Gateway_ncurses.cpp

[TMRh20]

Minor change to prevent segfault on non-master nodes

[2bndy5]

If you don't want the bot to spam the PR thread, then make the PR a "draft" instead of a normal PR that's ready for review.

or

[2bndy5]

There seems to build errors about the net layers template specializations:

[ 50%] Building CXX object CMakeFiles/rf24gateway.dir/RF24Gateway.cpp.o
In file included from /home/runner/work/RF24Gateway/RF24Gateway/RF24Gateway/RF24Gateway.cpp:7:
/home/runner/work/RF24Gateway/RF24Gateway/RF24Gateway/RF24Gateway.h:43:7: error: using typedef-name ‘RF24Network’ after ‘class’
   43 | class RF24Network;
      |       ^~~~~~~~~~~
In file included from /home/runner/work/RF24Gateway/RF24Gateway/RF24Gateway/RF24Gateway.h:29,
                 from /home/runner/work/RF24Gateway/RF24Gateway/RF24Gateway/RF24Gateway.cpp:7:
/usr/arm-linux-gnueabihf/include/RF24Network/RF24Network.h:992:26: note: ‘RF24Network’ has a previous declaration here
  992 | typedef ESBNetwork<RF24> RF24Network;
      |                          ^~~~~~~~~~~
In file included from /home/runner/work/RF24Gateway/RF24Gateway/RF24Gateway/RF24Gateway.cpp:7:
/home/runner/work/RF24Gateway/RF24Gateway/RF24Gateway/RF24Gateway.h:44:7: error: using typedef-name ‘RF24Mesh’ after ‘class’
   44 | class RF24Mesh;
      |       ^~~~~~~~
In file included from /home/runner/work/RF24Gateway/RF24Gateway/RF24Gateway/RF24Gateway.h:30,
                 from /home/runner/work/RF24Gateway/RF24Gateway/RF24Gateway/RF24Gateway.cpp:7:
/usr/arm-linux-gnueabihf/include/RF24Mesh/RF24Mesh.h:384:41: note: ‘RF24Mesh’ has a previous declaration here
  384 | typedef ESBMesh<ESBNetwork<RF24>, RF24> RF24Mesh;
      |                                         ^~~~~~~~
gmake[2]: *** [CMakeFiles/rf24gateway.dir/build.make:76: CMakeFiles/rf24gateway.dir/RF24Gateway.cpp.o] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:83: CMakeFiles/rf24gateway.dir/all] Error 2
gmake: *** [Makefile:156: all] Error 2

Not sure why this is happening now and wasn't before, but I'm stopping for now (need to sleep)...

[TMRh20]

Hehe, no rush on this one.

[2bndy5]

I didn't realize this branch is based on 1.x branch instead of master (2.x). And the CI is using v2.x of RF24Network & RF24Mesh libs. Luckily, I have already foreseen this, so it was an easy fix in the CI yml file.

outdated

[TMRh20]

Yeah, I forgot what I was doing earlier and this had me a bit confused for a moment too.