Added GPL boilerplate

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@180 0c269be4-1314-0410-8aa9-9f06e86f4224

impulse_grabber.c

@@ -1,3 +1,23 @@
+/*
+ *     Copyright (C) 2001 Steve Harris
+ *
+ *     This program 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.
+ *
+ *     This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *     $Id$
+ */
+
 #include <stdio.h>
 #include <errno.h>
 #include <unistd.h>