Bug in tz code

[Olson, Arthur David (NIH/NCI) [E]]

The America/Godthab problem is a fencepost error; the proposed change
below fixes it.

				--ado

------- zic.c -------
*** /tmp/geta5564	Mon Jan 26 16:26:50 2009
--- /tmp/getb5564	Mon Jan 26 16:26:50 2009
***************
*** 3,9 ****
  ** 2006-07-17 by Arthur David Olson.
  */
  
! static char	elsieid[] = "@(#)zic.c	8.18";
  
  #include "private.h"
  #include "locale.h"
--- 3,9 ----
  ** 2006-07-17 by Arthur David Olson.
  */
  
! static char	elsieid[] = "@(#)zic.c	8.19";
  
  #include "private.h"
  #include "locale.h"
***************
*** 1995,2001 ****
  	min_year = max_year = EPOCH_YEAR;
  	if (leapseen) {
  		updateminmax(leapminyear);
! 		updateminmax(leapmaxyear);
  	}
  	for (i = 0; i < zonecount; ++i) {
  		zp = &zpfirst[i];
--- 1995,2001 ----
  	min_year = max_year = EPOCH_YEAR;
  	if (leapseen) {
  		updateminmax(leapminyear);
! 		updateminmax(leapmaxyear + (leapmaxyear < INT_MAX));
  	}
  	for (i = 0; i < zonecount; ++i) {
  		zp = &zpfirst[i];