[12065] Fix various warnings

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Автор: Schmoozerd


<pre>m src/game/AchievementMgr.cpp
m src/game/BattleGroundAV.cpp
m src/game/BattleGroundAV.h
m src/game/CreatureAI.h
m src/game/CreatureLinkingMgr.cpp
m src/game/DynamicObject.cpp
m src/game/GridNotifiers.h
m src/game/Guild.cpp
m src/game/LFGHandler.cpp
m src/game/Level2.cpp
m src/game/Level3.cpp
m src/game/LootMgr.cpp
m src/game/MapPersistentStateMgr.cpp
m src/game/Object.h
m src/game/ObjectGridLoader.cpp
m src/game/ObjectMgr.cpp
m src/game/PoolManager.h
m src/game/ScriptMgr.cpp
m src/game/ScriptMgr.h
m src/game/SpellAuras.cpp
m src/game/SpellAuras.h
m src/game/SpellMgr.cpp
m src/game/UnitAuraProcHandler.cpp
m src/game/WorldSession.h
m src/game/movement/MoveSpline.cpp
m src/game/movement/MoveSplineFlag.h
m src/shared/revision_nr.h
</pre>
<pre style='white-space:pre-wrap;width:81ex'>[12065] Fix various warnings</pre>


Подробнее... (https://github.com/mangos/mangos/commit/e36c668a93ae3a742d6270f987f1dbb1e8950e2b)