(_tls_argp_parser): Take care not to pass NULL as the argument to the "tls" statement.

+2008-03-15  Sergey Poznyakoff  <gray@gnu.org.ua>
+
+	* libargp/tls.c (_tls_argp_parser): Take care not to pass NULL as
+	the argument to the "tls" statement.
+
 2008-03-07  Sergey Poznyakoff  <gray@gnu.org.ua>
 
 	* comsat/comsat.c, imap4d/imap4d.c, imap4d/preauth.c,

@@ -38,7 +38,7 @@ static struct argp_option mu_radius_argp_option[] = {
   { "radius-getpwuid-request", OPT_GETPWUID_REQUEST, N_("REQUEST"), OPTION_HIDDEN,
     N_("Radius request to retrieve a passwd entry based on UID"), 0 },
   { "radius-directory", OPT_RADIUS_DIR, N_("DIR"), OPTION_HIDDEN,
-    N_("Set path to the radius configuration directory"), 0 },
+    N_("Set name of the radius configuration directory"), 0 },
   { NULL }
 };
 

@@ -49,7 +49,7 @@ _tls_argp_parser (int key, char *arg, struct argp_state *state)
   switch (key)
     {
     case OPT_TLS:
-      mu_argp_node_list_new (&lst, "tls", arg);
+      mu_argp_node_list_new (&lst, "tls", arg ? arg : "yes");
       break;
       
     case OPT_SSL_CERT: