value_next is declared but not defined. It's long obsolete. This
patch removes the stray declaration.
typedef gdb::ref_ptr<struct value, value_ref_policy> value_ref_ptr;
-/* Values are stored in a chain, so that they can be deleted easily
- over calls to the inferior. Values assigned to internal variables,
- put into the value history or exposed to Python are taken off this
- list. */
-
-struct value *value_next (const struct value *);
-
/* Type of the value. */
extern struct type *value_type (const struct value *);