Change 'Get Ticket' to 'MIT Kerberos: Get Ticket'

Also improve string copy safety.

Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com>

(cherry picked from commit 4ae7790a9be2b7c5534362381f9cf932ae96ff29)

https://github.com/krb5/krb5/commit/5d8fedb88935720ca42c29faeff25942f50e4c57
Author: Kevin Wasserman <kevin.wasserman@painless-security.com>
Committer: Tom Yu <tlyu@mit.edu>
Commit: 5d8fedb88935720ca42c29faeff25942f50e4c57
Branch: krb5-1.10
 src/windows/leash/LeashView.cpp |   10 +++++-----
 src/windows/leashdll/lshfunc.c  |    4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)