diff -r ce3e587535c3 -r c916a5375166 src/video/video_driver.hpp
--- a/src/video/video_driver.hpp	Tue Jan 01 14:15:28 2008 +0000
+++ b/src/video/video_driver.hpp	Tue Jan 01 14:20:48 2008 +0000
@@ -13,7 +13,7 @@
 
 	virtual bool ChangeResolution(int w, int h) = 0;
 
-	virtual void ToggleFullscreen(bool fullscreen) = 0;
+	virtual bool ToggleFullscreen(bool fullscreen) = 0;
 };
 
 class VideoDriverFactoryBase: public DriverFactoryBase {