tree ce3aba02ec4e31414fdecd3d9a3f844ad4f52a43
parent 74ef3bf6faa65affec02d3ec040b6b2f7bb2b2b7
author Shawn O. Pearce <sop@google.com> 1231432991 -0800
committer Shawn O. Pearce <sop@google.com> 1231432991 -0800

Handle duplicate email addresses in Message entities

Android's GAE store has duplicate emails listed on the same
change message.  This really shouldn't have happened, and
its pointless to have duplicates in the same message list,
so run them all through a set to remove the duplicates.

Signed-off-by: Shawn O. Pearce <sop@google.com>