Update email address

AUTHORS

@@ -131,7 +131,7 @@ Karl Anders
 Karl Heinz Kremer <khk@khk.net>
 Karsten Festag <karsten.festag@t-online.de>
 Kazuhiro Sasayama <kaz@hypercore.co.jp>
-Kazuya Fukuda <kazuya@pjs.nevt.nec.co.jp>
+Kazuya Fukuda <kaafuu@mug.biglobe.ne.jp>
 Kevin Charter <charter@cs.rice.edu>
 Manuel Panea <Manuel.Panea@rzg.mpg.de>
 Marcio Teixeira <marciot@users.sourceforge.net>