add jack_session_event_free() and dont free it in jack_session_reply()

jack/session.h

@@ -26,6 +26,7 @@
 extern "C" {
 #endif
 
+#include <jack/types.h>
 #include <jack/weakmacros.h>
 
 /**
@@ -148,6 +149,14 @@ int jack_set_session_callback(jack_client_t *client,
 int jack_session_reply( jack_client_t *client, jack_session_event_t *event ) JACK_WEAK_EXPORT;
 
 
+/**
+ * free memory used by a jack_session_event_t
+ * this also frees the memory used by the command_line pointer.
+ * if its non NULL.
+ */
+
+void jack_session_event_free (jack_session_event_t *event);
+
 /*@}*/
 
 

libjack/client.c

@@ -1348,7 +1348,6 @@ jack_session_reply (jack_client_t *client, jack_session_event_t *event )
 				"%s", event->command_line);
 		client->control->session_flags = event->flags;
 
-		free (event->command_line);
 	} else {
 		retval = -1;
 	}
@@ -1363,11 +1362,18 @@ jack_session_reply (jack_client_t *client, jack_session_event_t *event )
 		retval = jack_client_deliver_request(client, &request);
 	}
 
+	return retval;
+}
+
+void
+jack_session_event_free (jack_session_event_t *event)
+{
+	if (event->command_line)
+		free (event->command_line);
+
 	free ((char *)event->session_dir);
 	free ((char *)event->client_uuid);
 	free (event);
-
-	return retval;
 }
 
 void