ShellPkg/edit: typo "%d Lines Wrote"

ShellPkg/edit: typo "%d Lines Wrote"

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2379

When a file is saved in the edit command a status message L"%d Lines Wrote"
is displayed. The hexedit command suffers from the same typo.

Change the message to L"%d Lines Written".

Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>