Add override macro to ISceneNodeAnimator::OnEvent. Thx @IrrlichtForiOS for report.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5137 dfc29bdd-3216-0410-991c-e03cc46cb475

include/ISceneNodeAnimator.h

@@ -55,7 +55,7 @@ namespace scene
 		}
 
 		//! Event receiver, override this function for camera controlling animators
-		virtual bool OnEvent(const SEvent& event)
+		virtual bool OnEvent(const SEvent& event) _IRR_OVERRIDE_
 		{
 			return false;
 		}