gl_list.h doesn't compile with C89 compiler

[Bruno Haible]

Just fixed this.

2006-10-24  Bruno Haible  <address@hidden>

        * lib/gl_list.h: Use C comment style, not C++ comment style.

*** lib/gl_list.h       6 Oct 2006 12:06:07 -0000       1.3
--- lib/gl_list.h       24 Oct 2006 13:23:28 -0000
***************
*** 360,366 ****
  
  struct gl_list_implementation
  {
!   // gl_list_t functions.
    gl_list_t (*create_empty) (gl_list_implementation_t implementation,
                             gl_listelement_equals_fn equals_fn,
                             gl_listelement_hashcode_fn hashcode_fn,
--- 360,366 ----
  
  struct gl_list_implementation
  {
!   /* gl_list_t functions.  */
    gl_list_t (*create_empty) (gl_list_implementation_t implementation,
                             gl_listelement_equals_fn equals_fn,
                             gl_listelement_hashcode_fn hashcode_fn,
***************
*** 392,398 ****
    bool (*remove_at) (gl_list_t list, size_t position);
    bool (*remove) (gl_list_t list, const void *elt);
    void (*list_free) (gl_list_t list);
!   // gl_list_iterator_t functions.
    gl_list_iterator_t (*iterator) (gl_list_t list);
    gl_list_iterator_t (*iterator_from_to) (gl_list_t list,
                                          size_t start_index,
--- 392,398 ----
    bool (*remove_at) (gl_list_t list, size_t position);
    bool (*remove) (gl_list_t list, const void *elt);
    void (*list_free) (gl_list_t list);
!   /* gl_list_iterator_t functions.  */
    gl_list_iterator_t (*iterator) (gl_list_t list);
    gl_list_iterator_t (*iterator_from_to) (gl_list_t list,
                                          size_t start_index,
***************
*** 400,406 ****
    bool (*iterator_next) (gl_list_iterator_t *iterator,
                         const void **eltp, gl_list_node_t *nodep);
    void (*iterator_free) (gl_list_iterator_t *iterator);
!   // Sorted gl_list_t functions.
    gl_list_node_t (*sortedlist_search) (gl_list_t list,
                                       gl_listelement_compar_fn compar,
                                       const void *elt);
--- 400,406 ----
    bool (*iterator_next) (gl_list_iterator_t *iterator,
                         const void **eltp, gl_list_node_t *nodep);
    void (*iterator_free) (gl_list_iterator_t *iterator);
!   /* Sorted gl_list_t functions.  */
    gl_list_node_t (*sortedlist_search) (gl_list_t list,
                                       gl_listelement_compar_fn compar,
                                       const void *elt);