From 7e7c26216783533d027d87f20234f3e94aae5cfb Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Sun, 11 Dec 2011 07:26:13 +0000
Subject: [PATCH] (svn r23488) -Fix [FS#4879] (r23241): artefacts when right
 click mouse moving with the allegro video driver

---
 src/video/allegro_v.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/allegro_v.cpp b/src/video/allegro_v.cpp
index a8d45b739f..e225b05fd0 100644
--- a/src/video/allegro_v.cpp
+++ b/src/video/allegro_v.cpp
@@ -237,7 +237,7 @@ static bool CreateMainSurface(uint w, uint h)
 bool VideoDriver_Allegro::ClaimMousePointer()
 {
 	select_mouse_cursor(MOUSE_CURSOR_NONE);
-	show_mouse(_allegro_screen);
+	show_mouse(NULL);
 	disable_hardware_cursor();
 	return true;
 }