* fhandler.h (fhandler_serial::ev): New class member.

* fhandler_serial.cc (fhandler_serial::raw_read): Use class member for event
status.
* select.cc (peek_serial): Ditto.

winsup/cygwin/fhandler.h

@@ -582,6 +582,7 @@ class fhandler_serial: public fhandler_base
  public:
   int overlapped_armed;
   OVERLAPPED io_status;
+  DWORD ev;
 
   /* Constructor */
   fhandler_serial (int unit);