* gcc-interface/decl.c (change_qualified_type): New static function.
	(gnat_to_gnu_entity): Use it throughout to add qualifiers on types.
	<E_Array_Type>: Set TYPE_VOLATILE on the array type directly.
	<E_Array_Subtype>: Likewise.
	Do not set flags on an UNCONSTRAINED_ARRAY_TYPE directly.
	(gnat_to_gnu_component_type): Likewise.
	(gnat_to_gnu_param): Likewise.

From-SVN: r210588