Updated const.

client/battle/CBattleAnimations.cpp

@@ -90,7 +90,7 @@ CBattleStackAnimation::CBattleStackAnimation(CBattleInterface * owner, const CSt
 	assert(myAnim);
 }
 
-void CBattleStackAnimation::shiftColor(ColorShifter * shifter)
+void CBattleStackAnimation::shiftColor(const ColorShifter * shifter)
 {
 	assert(myAnim);
 	myAnim->shiftColor(shifter);

client/battle/CBattleAnimations.h

@@ -44,7 +44,7 @@ public:
 
 	CBattleStackAnimation(CBattleInterface * _owner, const CStack * _stack);
 
-	void shiftColor(ColorShifter * shifter);
+	void shiftColor(const ColorShifter * shifter);
 };
 
 /// This class is responsible for managing the battle attack animation