gpgtar: Fix building for systems with a separate libintl.
* tools/Makefile.am (gpgtar_LDADD): Add LIBINTL.
(cherry picked from commit 12990efb45ee7c425167aad19fe759d5609c5182)
Resolved conflicts:
tools/Makefile.am => Libiconv was already there.
- Signed-off-by: Werner Koch <wk@gnupg.org>