Staging: unisys: Remove FAIL_WPOSTCODE_1 macro

Part of a series to get rid of goto statements embedded in macros.  I'm
breaking this up into a series of smaller patches for easier review.  The
later patches in the series will actually remove the goto statements.

Signed-off-by: Ken Cox <jkc@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>