Update .mailmap

Change-Id: I9efb526ad93fd5433f6e0294600bbfc2e5bb2e1b
diff --git a/.mailmap b/.mailmap
index c863847..b5c119c 100644
--- a/.mailmap
+++ b/.mailmap
@@ -6,6 +6,7 @@
 Alex Ryazantsev <alex.ryazantsev@gmail.com>                                                 alex.ryazantsev <alex.ryazantsev@gmail.com>
 Andrew Bonventre <andybons@chromium.org>                                                    <andybons@google.com>
 Becky Siegel <beckysiegel@google.com>                                                       beckysiegel <beckysiegel@google.com>
+Ben Rohlfs <brohlfs@google.com>                                                             brohlfs <brohlfs@google.com>
 Brad Larson <bklarson@gmail.com>                                                            <brad.larson@garmin.com>
 Bruce Zu <bruce.zu.run10@gmail.com>                                                         <bruce.zu@sonyericsson.com>
 Bruce Zu <bruce.zu.run10@gmail.com>                                                         <bruce.zu@sonymobile.com>