clean up baselib according to review comments.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5958 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/RShiftU64.c

@@ -1,7 +1,7 @@
 /** @file
   Math worker functions.
 
-  Copyright (c) 2006, Intel Corporation<BR>
+  Copyright (c) 2006 - 2008, Intel Corporation<BR>
   All rights reserved. This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -12,9 +12,6 @@
 
 **/
 
-
-
-
 #include "BaseLibInternals.h"
 
 /**
@@ -39,6 +36,6 @@ RShiftU64 (
   IN      UINTN                     Count
   )
 {
-  ASSERT (Count < sizeof (Operand) * 8);
+  ASSERT (Count < 64);
   return InternalMathRShiftU64 (Operand, Count);
 }