From: Ralf Jung <post@ralfj.de>
Date: Fri, 27 Sep 2013 11:05:27 +0000 (+0200)
Subject: use -Wextra and fix the warnings it caused
X-Git-Url: https://git.ralfj.de/gltest.git/commitdiff_plain/c4859cf18f397a5fda57e5719134dddbcb23ef2a?hp=c4859cf18f397a5fda57e5719134dddbcb23ef2a

use -Wextra and fix the warnings it caused
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