AUTHORS: Add Fabiano Fidêncio

$ git log --committer=fidencio --pretty=oneline | wc -l
12
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NFabiano Fidêncio <fidencio@redhat.com>

AUTHORS.in

@@ -19,6 +19,7 @@ Daniel Veillard <veillard@redhat.com>
 Doug Goldstein <cardoe@gentoo.org>
 Eric Blake <eblake@redhat.com>
 Erik Skultety <eskultet@redhat.com>
+Fabiano Fidêncio <fidencio@redhat.com>
 Gao Feng <gaofeng@cn.fujitsu.com>
 Guido Günther <agx@sigxcpu.org>
 Ján Tomko <jtomko@redhat.com>