Add spastorino to mailmap

Author: spastorino

.mailmap

@@ -495,6 +495,8 @@ Ryan Wiedemann <Ryan1729@gmail.com>
 S Pradeep Kumar <gohanpra@gmail.com>
 Sam Radhakrishnan <sk09idm@gmail.com>
 Samuel Tardieu <sam@rfc1149.net>
+Santiago Pastorino <spastorino@gmail.com>
+Santiago Pastorino <spastorino@gmail.com> <santiago@wyeworks.com>
 Scott McMurray <scottmcm@users.noreply.github.com>
 Scott Olson <scott@solson.me> Scott Olson <scott@scott-olson.org>
 Sean Gillespie <sean.william.g@gmail.com> swgillespie <sean.william.g@gmail.com>