[12636] Fix another warning and simplify code a little

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Автор: Schmoozerd


<pre style='white-space:pre-wrap;width:81ex'>[12636] Fix another warning and simplify code a little</pre>


Подробнее... (https://github.com/cmangos/mangos-wotlk/commit/2b70d90db4f64dacc0314d2023e1facdccbb2352)