[gfortran] Fix a few more dg directives in the testsuite

[Brooks Moses]

Dominique Dhumieres wrote:
> This is my first post on this list, so please be indulgent!-)
> 
> 2007-04-01 Dominique d'Humières <dominiq@lps.ens.fr>
> 
> 	* assumed_dummy_1.f90: Fix dg directive.
> 	* char_initialiser_actual.f90: Likewise.
> 	* nested_modules_2.f90: Likewise.
> 	* pointer_intent_1.f90: Likewise.
> 	* shift-alloc.f90: Likewise.

Committed, aside from the pointer_intent_1.f90 part which seems to have 
been committed already.  (This would be obvious, but Dominique doesn't 
have write access to commit it directly.)

- Brooks