Bugfixes.

* mailbox/debug.c (mu_debug_printv): use mu_debug_vprintf
* mailbox/message_stream.c (restore_envelope): supplied
sender address must be a single word.

@@ -247,7 +247,7 @@ mu_debug_printv (mu_debug_t debug, mu_log_level_t level, const char *format,
     return EINVAL;
   if (debug->level & MU_DEBUG_LEVEL_MASK (level))
     return 0;
-  return mu_debug_printf (debug, level, format, ap);
+  return mu_debug_vprintf (debug, level, format, ap);
 }
 
 int

@@ -293,7 +293,7 @@ restore_envelope (mu_stream_t str, struct _mu_rfc822_message **pmenv)
 	  mu_address_create (&addr, from);
 	  if (!addr
 	      || mu_address_aget_email (addr, 1, &env_from))
-	    env_from = strdup ("GNU Mailutils");
+	    env_from = strdup ("GNU-Mailutils");
 	  mu_address_destroy (&addr);
 	}
       else