Poke compile-time warnings

[Luca Saiu]

Hello.

I have been noticing these warnings building poke recently:

../../../poke/pk-term.c:130:1: warning: 'register_color' defined but not used 
[-Wunused-function]
                                                                          
[22:27]
  130 | register_color (int code, int red, int green, int blue)
      | ^~~~~~~~~~~~~~
../../../poke/pk-term.c:116:1: warning: 'lookup_color_code' defined but not 
used [-Wunused-function]
  116 | lookup_color_code (int code)
      | ^~~~~~~~~~~~~~~~~
../../../poke/pk-term.c:87:12: warning: 'default_bgcolor' defined but not used 
[-Wunused-variable]
   87 | static int default_bgcolor;
      |            ^~~~~~~~~~~~~~~
../../../poke/pk-term.c:86:12: warning: 'default_color' defined but not used 
[-Wunused-variable]
   86 | static int default_color;
      |            ^~~~~~~~~~~~~

-- 
Luca Saiu
* My personal web site:  http://ageinghacker.net
* Jitter:                http://ageinghacker.net/projects/jitter
* GNU epsilon:           http://www.gnu.org/software/epsilon

I support everyone's freedom of mocking any opinion or belief, no
matter how deeply held, with open disrespect and the same unrelented
enthusiasm of a toddler who has just learned the word "poo".

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