/* Returns the number of value labels in VLS. */
size_t
-val_labs_count (struct val_labs *vls)
+val_labs_count (const struct val_labs *vls)
{
assert (vls != NULL);
if (vls->labels != NULL)
{
struct int_val_lab *ivl = create_int_val_lab (vls, value, "");
- int deleted = hsh_delete (vls->labels, &ivl);
+ int deleted = hsh_delete (vls->labels, ivl);
free (ivl);
return deleted;
}