OvmfPkg: strip trailing whitespace

Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Julien Grall <julien.grall@arm.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>

OvmfPkg/Library/LockBoxLib/LockBoxLib.h

@@ -1,5 +1,5 @@
 /** @file
-  
+
  Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
 
  SPDX-License-Identifier: BSD-2-Clause-Patent