(svn r26326) -Fix [FS#5871]: when autosaving the message about a save already happening could be shown, even though the code's intention was to not show it (MJP)

src/openttd.cpp

@@ -1445,8 +1445,8 @@ void GameLoop()
 
 	/* autosave game? */
 	if (_do_autosave) {
-		_do_autosave = false;
 		DoAutosave();
+		_do_autosave = false;
 		SetWindowDirty(WC_STATUS_BAR, 0);
 	}