Variable name clash

[Stefan Bellon]

Hi!

In bogohist.c and msgcounts.c there are the variables msgs_good and
msgs_bad defined twice. I think it would be good programming practice,
defining them static if not needed from another module. Or,
alternatively, rename one pair, but having those variables exported
with the same name might sooner or later result in some nice linker
problems.

Greetings,

Stefan.

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