Core: Fixed warnings:

C4100: 'variable' : unreferenced formal parameter
C4701: potentially uninitialized local variable
C4389: '!=' : signed/unsigned mismatch
C4245: 'argument' : conversion from 'X' to 'Y', signed/unsigned mismatch

src/server/game/AI/CreatureAI.h

@@ -168,7 +168,7 @@ class CreatureAI : public UnitAI
 
         virtual void PassengerBoarded(Unit * /*who*/, int8 /*seatId*/, bool /*apply*/) {}
 
-        virtual bool CanSeeAlways(WorldObject const* obj) {return false;}
+        virtual bool CanSeeAlways(WorldObject const* /*obj*/) { return false; }
     protected:
         virtual void MoveInLineOfSight(Unit *);