[issue1509] games: Reduce warnings

[Ulrich Spoerlein (via DragonFly issue tracker)]

New submission from Ulrich Spoerlein <uqs at spoerlein.net>:

The patch cleans up some warnings regarding shadowed declarations, re-
declarations and implicit declarations

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files: games_warns.diff
messages: 7390
nosy: uqs
priority: cleanup
status: unread
title: games: Reduce warnings

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DragonFly issue tracker <bugs at lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue1509>
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