Reboot after KfW installs to help the LSA cache

It seems that we need to restart in order to be able to query the
contents of the the LSA cache, even if the only contents of the LSA
cache are what we put there, and even if the Microsoft klist.exe
correctly reports the presence of tickets in the LSA cache.

(cherry picked from commit 50a3c3cbeab32577fba2b21deb72a64015c48ec7)

https://github.com/krb5/krb5/commit/911bffcf9a1acd831d4ecf1eeab36e1081f01d80
Author: Ben Kaduk <kaduk@mit.edu>
Committer: Tom Yu <tlyu@mit.edu>
Commit: 911bffcf9a1acd831d4ecf1eeab36e1081f01d80
Branch: krb5-1.13
 src/windows/installer/wix/kfw.wxs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)