parser: add missing copyright statement to files, this part was contributed from

Vaclav Kubart, vaclav dot kubart at iptel dot org in commit
488624056c4651fd57fdffd1cbfdd2a07928fdab, Date: Wed Jun 21 13:33:01 2006 +0000

parser/parse_subscription_state.c

@@ -1,3 +1,23 @@
+/*
+ * Copyright (C) 2006 Vaclav Kubart, vaclav dot kubart at iptel dot org
+ *
+ * This file is part of SIP-router, a free SIP server.
+ *
+ * SIP-router is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version
+ *
+ * SIP-router 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
 /*! \file
  * \brief Parser :: Parse subscription-state in NOTIFY
  *

parser/parse_subscription_state.h

@@ -1,3 +1,23 @@
+/*
+ * Copyright (C) 2006 Vaclav Kubart, vaclav dot kubart at iptel dot org
+ *
+ * This file is part of SIP-router, a free SIP server.
+ *
+ * SIP-router is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version
+ *
+ * SIP-router 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
 /*! \file
  * \brief Parser :: Parse subscription-state in NOTIFY
  *