fix

git-svn-id: http://svn.net-core.org/repos/t-engine4@1179 51575b47-30f0-44d4-a5cc-537603b46e54

game/engines/default/engine/LogFlasher.lua

@@ -93,6 +93,11 @@ function _M:empty(force)
 	end
 end
 
+function _M:display()
+	self:toScreen()
+	return self.surface
+end
+
 function _M:toScreen()
 	self.changed = false