last: fix first (current) runlevel line

last: fix first (current) runlevel line

Since 744c7fec lastrch was not set to current time anymore, but we need it.

 # broken:
 $ ./last -x | grep -m 2 runlevel
 runlevel (to lvl 5)   3.11.10-25-deskt Wed Feb 18 13:11 - 01:00 (-16484+-12:-11)
 runlevel (to lvl 5)   3.11.10-25-deskt Thu Jan 22 16:50 - 13:11 (26+20:21)

 # fixed:
 $ ./last -x | grep -m 2 runlevel
 runlevel (to lvl 5)   3.11.10-25-deskt Wed Feb 18 13:11   still running
 runlevel (to lvl 5)   3.11.10-25-deskt Thu Jan 22 16:50 - 13:11 (26+20:21)

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>