mailmap: update Pasky's address

Eric Wong noticed that the address at suse.cz no longer works.
We may want to update in-code addresses as well, but let's do
this first in 'maint'.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: gitster

.mailmap

@@ -73,6 +73,7 @@ Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
 <nico@fluxnic.net> <nico@cam.org>
 Peter Krefting <peter@softwolves.pp.se> <peter@svarten.intern.softwolves.pp.se>
 Peter Krefting <peter@softwolves.pp.se> <peter@softwolves.pp.se>
+Petr Baudis <pasky@ucw.cz> <pasky@suse.cz>
 Philippe Bruhat <book@cpan.org>
 Ralf Thielow <ralf.thielow@gmail.com> <ralf.thielow@googlemail.com>
 Ramsay Allan Jones <ramsay@ramsay1.demon.co.uk>