Fix ShellPkg build errors for UNIXGCC toolchain.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8555 6f19259b-4bc3-4df7-8a09-765794883524

ShellPkg/Application/ShellExecTestApp/SA.c

@@ -0,0 +1,38 @@
+/** @file
+  This is a simple shell application
+
+  Copyright (c) 2008, Intel Corporation                                                         
+  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        
+  http://opensource.org/licenses/bsd-license.php                                            
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+**/
+
+#include <Uefi.h>
+#include <Library/UefiApplicationEntryPoint.h>
+#include <Library/UefiLib.h>
+
+/**
+  as the real entry point for the application.
+
+  @param[in] ImageHandle    The firmware allocated handle for the EFI image.  
+  @param[in] SystemTable    A pointer to the EFI System Table.
+  
+  @retval EFI_SUCCESS       The entry point is executed successfully.
+  @retval other             Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+UefiMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  Print(L"ShellExecute - Pass"); 
+  return EFI_SUCCESS;
+}