show-branch: drop unused parameter from show_independent()

This ref_name parameter was never used since the inception of show_independent() in 1f8af483df (show-branch: --list and --independent, 2005-09-09). Let's drop it. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jeff King committed May 9, 2019 at 17:32 UTC d713e88c401f2af054b7b653e83e2cd0795ef140
1 file changed +1 -2
builtin/show-branch.c
+1 -2
@@ -514,7 +514,6 @@ static int show_merge_base(struct commit_list *seen, int num_rev)
514
515 static int show_independent(struct commit **rev,
516 int num_rev,
517 - char **ref_name,
517 unsigned int *rev_mask)
518 {
519 int i;
@@ -862,7 +861,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
861 return show_merge_base(seen, num_rev);
862
863 if (independent)
865 - return show_independent(rev, num_rev, ref_name, rev_mask);
864 + return show_independent(rev, num_rev, rev_mask);
865
866 /* Show list; --more=-1 means list-only */
867 if (1 < num_rev || extra < 0) {