gettext: grub_printf_ and N_

[Carles Pina i Estany]

Hi,

Attached a patch that makes a new function (grub_printf_) which one
calls _( ) for the format argument. Also adapts the current
translations but not the pending patch.

Can someone take a look? If the grub_printf_ approach is used then this
should be committed. Conflicts with Colin Watson idea because in the
other idea gettext has to be called in grub_printf level and not inside,
as far as I can think now :-)

-- 
Carles Pina i Estany
        http://pinux.info

grub_printf_.patch
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