*: fix fallout from -Wunused-parameter

function                                             old     new   delta
bbunpack                                             358     366      +8
passwd_main                                         1070    1072      +2
handle_incoming_and_exit                            2651    2653      +2
getpty                                                88      86      -2
script_main                                          975     972      -3
inetd_main                                          2036    2033      -3
dname_enc                                            377     373      -4
make_new_session                                     474     462     -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/5 up/down: 12/-24)            Total: -12 bytes
   text    data     bss     dec     hex filename
 797429     658    7428  805515   c4a8b busybox_old
 797417     658    7428  805503   c4a7f busybox_unstripped

1 files changed, 5 insertions, 0 deletions

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 7e408207c..b25386bc0 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -294,7 +294,12 @@ static void redraw(int y, int back_cursor)
 
 /* Delete the char in front of the cursor, optionally saving it
  * for later putback */
+#if !ENABLE_FEATURE_EDITING_VI
+static void input_delete(void)
+#define input_delete(save) input_delete()
+#else
 static void input_delete(int save)
+#endif
 {
         int j = cursor;