Disable import/export buttons and checkbox

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

(cherry picked from commit a356bbf948c9b3773196c337972f26bc091d78a2)

https://github.com/krb5/krb5/commit/2646e816010fc736ac09160a06b09a5e16827cb1
Author: Kevin Wasserman <kevin.wasserman@painless-security.com>
Committer: Tom Yu <tlyu@mit.edu>
Commit: 2646e816010fc736ac09160a06b09a5e16827cb1
Branch: krb5-1.10
 src/windows/leash/res/ribbon1.mfcribbon-ms |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)