sms_decode_address(): Add a leading "+" on international numbers.

BUG=chromium-os-partner:4278
TEST=Send SMS from phone (to get +... format) and from AIM-SMS gateway
(to get raw-digit format).

Change-Id: I36eb9f1432a432435578180dfdb315b0e7ee5744
Reviewed-on: http://gerrit.chromium.org/gerrit/1829
Reviewed-by: Jason Glasgow <[email protected]>
Tested-by: Nathan J. Williams <[email protected]>
1 file changed