*/
static int compare_completions(const void *fst, const void *snd)
{
- struct cmd_token *first = *(struct cmd_token **)fst,
- *secnd = *(struct cmd_token **)snd;
+ const struct cmd_token *first = *(const struct cmd_token * const *)fst,
+ *secnd = *(const struct cmd_token * const *)snd;
return strcmp(first->text, secnd->text);
}