Bugfixes.

* libmu_auth/tls.c (_tls_ioctl): Fix typo (opcode used instead of
code).
* mu/filter.c (mutool_filter): Reference mu_strin to prevent it from
destroying.
* testsuite/smtpsend.c (main): Call mu_stdstream_setup.

@@ -519,7 +519,7 @@ _tls_ioctl (struct _mu_stream *stream, int code, int opcode, void *arg)
 {
   struct _mu_tls_stream *sp = (struct _mu_tls_stream *) stream;
 
-  switch (opcode)
+  switch (code)
     {
     case MU_IOCTL_TRANSPORT:
       switch (opcode)

@@ -139,6 +139,7 @@ mutool_filter (int argc, char **argv)
     }
 
   prev_stream = mu_strin;
+  mu_stream_ref (mu_strin);
   do
     {
       int i;

@@ -98,6 +98,7 @@ main (int argc, char **argv)
   mu_list_t skiphdr_list = NULL;
   
   mu_set_program_name (argv[0]);
+  mu_stdstream_setup ();
 #ifdef WITH_TLS
   mu_init_tls_libs ();
 #endif