[tz] Positive leap second on 2015-06-30.

Jan. 6, 2015


      Per IERS Bulletin C49 (2015-01-05), a positive leap second will be 
observed on 2015-06-30. The attached patch updates leap-seconds.list 
from NIST, retrieved from <ftp://time.nist.gov/pub/leap-seconds.3629404800>.

-- 
Tim Parenti