deskutils/bijiben: Add generated biji-marshalers.h to libbiji dependency sources
The meson manual states that
> Each target that depends on a generated header should add that
> header to it's sources, as seen above with libfoo and myexe. This
> is because there is no way for Meson or the backend to know that
> myexe depends on foo.h just because libfoo does, it could be a
> private header.
Since biji-marshalers.h is included by the libbiji public header
libbiji.h, it must be added as a source to all targets that depend
on libbiji. This can be done by adding it to the sources of
This should unbreak the build with samurai.