defined_operators_1.f90: Add cleanup-modules dg directive.

	* gfortran.dg/defined_operators_1.f90: Add cleanup-modules dg
	directive.
	* gfortran.dg/module_private_array_refs_1.f90: Likewise.
	* gfortran.dg/module_proc_external_dummy.f90: Likewise.
	* gfortran.dg/gomp/omp_threadprivate1.f90: Likewise.
	* gfortran.dg/gomp/reduction3.f90: Likewise.
	* gfortran.dg/derived_constructor_comps_1.f90: Likewise.
	* gfortran.dg/dummy_procedure_2.f90: Likewise.
	* gfortran.dg/interface_derived_type_1.f90: Likewise.
	* gfortran.dg/forall_4.f90: Likewise.
	* gfortran.dg/spec_expr_4.f90: Likewise.
	* gfortran.dg/unused_artificial_dummies_1.f90: Likewise.
	* gfortran.dg/forall_5.f90: Likewise.
	* gfortran.dg/open_access_append_2.f90: Add check for
	compile-time warning.

From-SVN: r117688