modprobe: cleanup source, Free Software Foundation mailing address.

The FSF GPLv2 boilerplate has needed updating for a long, long time.

Signed-off-by: Jon Masters <jcm@jonmasters.org>
diff --git a/modprobe.c b/modprobe.c
index 6d30f39..966809a 100644
--- a/modprobe.c
+++ b/modprobe.c
@@ -1,21 +1,24 @@
 /* modprobe.c: add or remove a module from the kernel, intelligently.
-    Copyright (C) 2001  Rusty Russell.
-    Copyright (C) 2002, 2003  Rusty Russell, IBM Corporation.
-
-    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*/
+ *
+ * Copyright (C) 2001        Rusty Russell.
+ * Copyright (C) 2002, 2003  Rusty Russell, IBM Corporation.
+ * Copyright (C) 2006-2011   Jon Masters <jcm@jonmasters.org>, and others.
+ *
+ * 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
 #define _GNU_SOURCE /* asprintf */
 
 #include <sys/utsname.h>