Updated leap seconds file

[Arthur David Olson]

Word just in is that there'll be a leap second at the end of the year.

				--ado

*** 7.1/leapseconds	Sat Oct 14 20:44:25 1989
--- 7.2/leapseconds	Sat Oct 14 20:44:26 1989
***************
*** 1,4 ****
! # @(#)leapseconds	7.1
  
  # Allowance for leapseconds added to each timezone file.
  
--- 1,4 ----
! # @(#)leapseconds	7.2
  
  # Allowance for leapseconds added to each timezone file.
  
***************
*** 26,28 ****
--- 26,29 ----
  Leap	1983	Jun	30	23:59:60	+	S
  Leap	1985	Jun	30	23:59:60	+	S
  Leap	1987	Dec	31	23:59:60	+	S
+ Leap	1989	Dec	31	23:59:60	+	S