NetworkPkg: Remove unused variables from IpSecDxe to fix GCC build.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Samer El-Haj-Mahmoud <samer.el-haj-mahmoud@hp.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17773 6f19259b-4bc3-4df7-8a09-765794883524

NetworkPkg/IpSecDxe/IpSecImpl.c

@@ -1,6 +1,7 @@
 /** @file
   The implementation of IPsec.
 
+  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
   Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
 
   This program and the accompanying materials
@@ -898,7 +899,6 @@ IpSecIsIp6ExtsValid (
   UINT32                     Pointer;
   UINT8                      *Option;
   UINT8                      OptionLen;
-  BOOLEAN                    Flag;
   UINT8                      CountD;
   UINT8                      CountF;
   UINT8                      CountA;
@@ -918,7 +918,6 @@ IpSecIsIp6ExtsValid (
   }
 
   Pointer = 0;
-  Flag    = FALSE;
   CountD  = 0;
   CountF  = 0;
   CountA  = 0;
@@ -931,8 +930,6 @@ IpSecIsIp6ExtsValid (
         return FALSE;
       }
 
-      Flag = TRUE;
-
     //
     // Fall through
     //