[12747] Fix static analysis repeated expression performance warning (1)

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Автор: stfx


<pre style='white-space:pre-wrap;width:81ex'>[12747] Fix static analysis repeated expression performance warning (1)</pre>


Подробнее... (https://github.com/cmangos/mangos-wotlk/commit/40618f874ad2158932309d3d8703737b4f4a8379)