mdbx: clarify copyright and license.

Change-Id: Ib1b9516ce09497559937f749d520719046c5b7e6

mdb.c

@@ -4,8 +4,29 @@
  *	A Btree-based database management library modeled loosely on the
  *	BerkeleyDB API, but much simplified.
  */
+
 /*
- * Copyright 2011-2016 Howard Chu, Symas Corp.
+ * Copyright (c) 2015,2016 Leonid Yuriev <leo@yuriev.ru>.
+ * Copyright (c) 2015,2016 Peter-Service R&D LLC.
+ *
+ * This file is part of ReOpenMDBX.
+ *
+ * ReOpenMDBX is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ReOpenMDBX is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * ---
+ *
+ * Copyright 2011-2014 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -925,7 +946,7 @@ typedef struct MDB_pgstate {
 } MDB_pgstate;
 
 	/** Context for deferred cleanup of reader's threads.
-	*  to avoid https://github.com/ReOpen/ReOpenLDAP/issues/48 */
+	 *  to avoid https://github.com/ReOpen/ReOpenLDAP/issues/48 */
 struct MDB_rthc {
 	MDB_reader *rc_reader;
 };