* devices.in (exists_console): Allow /dev/con{sole,in,out} to be referenced

they exist.
* devices.cc: Regenerate.
* fhandler_console.cc (fhandler_console::set_unit): Ditto.

winsup/cygwin/devices.cc

@@ -67,18 +67,16 @@ exists_ntdev_silent (const device& dev)
 static int
 exists_console (const device& dev)
 {
-  if (!iscons_dev (myself->ctty))
-    return false;
   int devn = *const_cast<device *> (&dev);
   switch (devn)
     {
     case FH_CONSOLE:
     case FH_CONIN:
     case FH_CONOUT:
-      return true;
+      return !!GetConsoleCP ();
     default:
       /* Only show my own console device (for now?) */
-      return myself->ctty == devn;
+      return iscons_dev (myself->ctty) && myself->ctty == devn;
     }
 }