OSX: add missing _IRR_OVERRIDE_

source/Irrlicht/CIrrDeviceOSX.h

@@ -136,39 +136,39 @@ namespace irr
 			}
 
 			//! Changes the visible state of the mouse cursor.
-			virtual void setVisible(bool visible)
+			virtual void setVisible(bool visible)  _IRR_OVERRIDE_
 			{
 				IsVisible = visible;
 				Device->setCursorVisible(visible);
 			}
 
 			//! Returns if the cursor is currently visible.
-			virtual bool isVisible() const
+			virtual bool isVisible() const  _IRR_OVERRIDE_
 			{
 				return IsVisible;
 			}
 
 			//! Sets the new position of the cursor.
-			virtual void setPosition(const core::position2d<f32> &pos)
+			virtual void setPosition(const core::position2d<f32> &pos)  _IRR_OVERRIDE_
 			{
 				setPosition(pos.X, pos.Y);
 			}
 
 			//! Sets the new position of the cursor.
-			virtual void setPosition(f32 x, f32 y)
+			virtual void setPosition(f32 x, f32 y)  _IRR_OVERRIDE_
 			{
 				setPosition((s32)(x*WindowSize.Width), (s32)(y*WindowSize.Height));
 			}
 
 			//! Sets the new position of the cursor.
-			virtual void setPosition(const core::position2d<s32> &pos)
+			virtual void setPosition(const core::position2d<s32> &pos) _IRR_OVERRIDE_
 			{
 				if (CursorPos.X != pos.X || CursorPos.Y != pos.Y)
 					setPosition(pos.X, pos.Y);
 			}
 
 			//! Sets the new position of the cursor.
-			virtual void setPosition(s32 x, s32 y)
+			virtual void setPosition(s32 x, s32 y) _IRR_OVERRIDE_
 			{
 				if (UseReferenceRect)
 				{
@@ -200,7 +200,7 @@ namespace irr
 			}
 
 			//! Sets an absolute reference rect for calculating the cursor position.
-			virtual void setReferenceRect(core::rect<s32>* rect=0)
+			virtual void setReferenceRect(core::rect<s32>* rect=0)  _IRR_OVERRIDE_
 			{
 				if (rect)
 				{