These need to link with @LIBINTL@ to get libintl_gettext.
Problem reported by Tom G. Christensen in
<http://lists.gnu.org/archive/html/bug-gnulib/2013-01/msg00086.html>.
* modules/c-xvasprintf-tests (test_c_xvasprintf_LDADD):
* modules/readtokens-tests (test_readtokens_LDADD): New macros.
* modules/futimens-tests (test_futimens_LDADD):
* modules/utimens-tests (test_utimens_LDADD): Add @LIBINTL@.