Add initializing code for local variable 'CalleeExitStatus' and 'ExitStatus' in 'Shell.c'.
Add initializing code for local variable 'CalleeExitStatus' and 'ExitStatus' in 'Shell.c'.

Signed-off-by: Shumin Qiu <shumin.qiu@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>


git-svn-id: 3158a46dfd52e07d1fda3e32e1ab2e353a00b20f@15191 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2