Update copyright years.

Originally committed as revision 15512 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -2,9 +2,9 @@
 #
 # FFmpeg configure script
 #
-# Copyright (c) 2000, 2001, 2002 Fabrice Bellard
-# Copyright (c) 2005-2006 Diego Biurrun
-# Copyright (c) 2005-2006 Mans Rullgard
+# Copyright (c) 2000-2002 Fabrice Bellard
+# Copyright (c) 2005-2008 Diego Biurrun
+# Copyright (c) 2005-2008 Mans Rullgard
 #
 
 # Prevent locale nonsense from breaking basic text processing.