* fhandler.h (fhandler_console::send_winch_maybe): New method.

* fhandler_console.cc (set_console_state_for_spawn): Remove if 0'ed code.
(fhandler_console::send_winch_maybe): Define new method.
(fhandler_console::read): Use send_winch_maybe where appropriate.
(fhandler_console::init): Just call all tcsetattr rather than output_tcsetattr.
* select.cc (peek_console): Reorganize so that send_winch_maybe is called for
everything but keyboard input.

winsup/cygwin/fhandler.h

@@ -826,6 +826,7 @@ class fhandler_console: public fhandler_termios
   void set_close_on_exec (int val);
   void fixup_after_fork (HANDLE parent);
   void set_input_state ();
+  void send_winch_maybe ();
 };
 
 class fhandler_tty_common: public fhandler_termios