libbb: remove is_directory's argument which is always NULL

function                                             old     new   delta
send_cgi_and_exit                                    892     890      -2
ln_main                                              447     445      -2
handle_incoming_and_exit                            2784    2780      -4
is_directory                                          66      59      -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/6 up/down: 2/-19)             Total: -15 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/coreutils/ln.c b/coreutils/ln.c
index 88a9a8f91..0eb3e6579 100644
--- a/coreutils/ln.c
+++ b/coreutils/ln.c
@@ -69,8 +69,8 @@ int ln_main(int argc, char **argv)
                 src = last;
 
                 if (is_directory(src,
-                                (opts & LN_NODEREFERENCE) ^ LN_NODEREFERENCE,
-                                NULL)
+                                (opts & LN_NODEREFERENCE) ^ LN_NODEREFERENCE
+                                )
                 ) {
                         src_name = xstrdup(*argv);
                         src = concat_path_file(src, bb_get_last_path_component_strip(src_name));