update license

libc/signal/raise.c

@@ -1,6 +1,5 @@
 /* Copyright (C) 1995,1996 Robert de Bath <rdebath@cix.compulink.co.uk>
- * This file is part of the Linux-8086 C library and is distributed
- * under the GNU Library General Public License.
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
 
 #include <unistd.h>