valarray_meta.h (_DEFINE_EXPR_UNARY_FUNCTION): When building meta-expressions don't forget to take the contained closures.

1999-11-05  Gabriel Dos Reis  <dosreis@cmla.ens-cachan.fr>

        * std/valarray_meta.h (_DEFINE_EXPR_UNARY_FUNCTION):  When
        building meta-expressions don't forget to take the contained
        closures.

From-SVN: r30424