Fix nick name of Giovanni Scafora

Signed-off-by: Giovanni Scafora <giovanni@archlinux.org>
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

AUTHORS

@@ -66,7 +66,7 @@ Hungarian:
 	Laszlo Papp <djszapi2@gmail.com>
 Italiano:
 	Andrea Scarpino <bash.lnx@gmail.com>
-	Giovanni Scafora (voidnull) <giovanni@archlinux.org>
+	Giovanni Scafora (giovanni) <giovanni@archlinux.org>
 	Pierluigi Picciau <pierluigi88@gmail.com>
 Norwegian:
 	Hans-Kristian Arntzen <maister@archlinux.us>