Cygwin: flock: drop checking for artificial console handles

They have been used up to Windows 7 only.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

winsup/cygwin/flock.cc

@@ -951,10 +951,8 @@ fhandler_base::lock (int a_op, struct flock *fl)
     a_flags = F_POSIX; /* default */
 
   /* FIXME: For BSD flock(2) we need a valid, per file table entry OS handle.
-     Therefore we can't allow using flock(2) on nohandle devices and
-     pre-Windows 8 console handles (recognized by their odd handle value). */
-  if ((a_flags & F_FLOCK)
-      && (nohandle () || (((uintptr_t) get_handle () & 0x3) == 0x3)))
+     Therefore we can't allow using flock(2) on nohandle devices. */
+  if ((a_flags & F_FLOCK) && nohandle ())
     {
       set_errno (EINVAL);
       debug_printf ("BSD locking on nohandle and old-style console devices "