ShellPkg\Library\UefiShellCEntryLib\UefiShellCEntryLib.c:
Return actual error codes instead of EFI_UNSUPPORTED for all errors.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by:  daryl.mcdaniel@intel.com
Reviewed-by:    jaben.carsey@intel.com


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14368 6f19259b-4bc3-4df7-8a09-765794883524