scd: Minor fix for readibility.

* scd/command.c (open_card_with_request): Use NULL instead of
APPTYPE_NULL.
--

Using the enum is wrong because a string is expected.  However it did
harm anything because the value of the enum is 0 and thus equivalent
to NULL.

Signed-off-by: Werner Koch <wk@gnupg.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/scd/app.c b/scd/app.c
index 0fc155293..633070e9c 100644
--- a/scd/app.c
+++ b/scd/app.c
@@ -788,7 +788,7 @@ select_additional_application_internal (card_t card, apptype_t req_apptype)
 
 
 /* Add all possible additional applications to the card context but do
- * not change the current one.  This current works only for Yubikeys. */
+ * not change the current one.  This currently works only for Yubikeys. */
 static gpg_error_t
 select_all_additional_applications_internal (card_t card)
 {
diff --git a/scd/command.c b/scd/command.c
index e5cf98fcb..3d82469af 100644
--- a/scd/command.c
+++ b/scd/command.c
@@ -263,7 +263,7 @@ open_card_with_request (ctrl_t ctrl,
   err = select_application (ctrl, apptypestr, &ctrl->card_ctx, 1,
                             serialno_bin, serialno_bin_len);
   if (!err && opt_all)
-    err = select_additional_application (ctrl, APPTYPE_NONE);
+    err = select_additional_application (ctrl, NULL);
 
  leave:
   xfree (serialno_bin);