Update KfW copyright

This probably should not be a hardcoded string, but we can at
least make it correct for now.

(cherry picked from commit 27e6ab7e5b6a0538f529f440aeb967822eff8f57)

https://github.com/krb5/krb5/commit/bbb034af7d9b987cd377a670a0cd252121942633
Author: Ben Kaduk <kaduk@mit.edu>
Committer: Tom Yu <tlyu@mit.edu>
Commit: bbb034af7d9b987cd377a670a0cd252121942633
Branch: krb5-1.13
 src/windows/version.rc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)