Suns Forte compiler chokes on template argument computations, like in

Suns Forte compiler chokes on template argument computations, like in
/* ----------------------------------------------- */
/* Problem 5 -- no computations with template args */
template <int dim> struct T2 {};
template <int dim> T2<dim-1> g(T2<dim>) {};

Fix this by introducing a new type local to the class that uses it.

git-svn-id: https://svn.dealii.org/trunk@5594 0785d39b-7218-0410-832d-ea1e28bc413d