(svn r2260) - Fix (regression): custom currency input works again ingame

settings_gui.c

@@ -1419,7 +1419,7 @@ static void CustCurrencyWndProc(Window *w, WindowEvent *e)
 			ShowQueryString(
 			str,
 			STR_CURRENCY_CHANGE_PARAMETER,
-			len, // maximum number of characters OR
+			len + 1, // maximum number of characters OR
 			250, // characters up to this width pixels, whichever is satisfied first
 			w->window_class,
 			w->window_number);