The source xml data has changed, so running genzabbrs.go
regenerates a new time zone file in zoneinfo_abbrs_windows.go
which adds some zones and adjusts others.

Now set export ZONEINFO=$GOROOT/lib/time/zoneinfo.zip to use zoneinfo.zip in go tip.

Change-Id: I19f72359cc808094e5dcb420e480a00c6b2205d7
Reviewed-on: https://go-review.googlesource.com/23321Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>