[8894] Add missing and avoid redundent Aura::GetCaster calls.

[newsbot]

<pre>m src/game/SpellAuras.cpp
m src/shared/revision_nr.h

[8894] Add missing and avoid redundent Aura::GetCaster calls.</pre>



Дальше... (http://github.com/mangos/mangos/commit/7bc7d81f6232cb7a21108437d595634eb15fc38b)