Implement cccol iterators for mslsa

Also implement  switch_to stub

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

(cherry picked from commit 218193bb93d8cf9fd82087533c45602b6a8c5151)

Fix macro redefinition warnings in cc_mslsa.c

Include ntstatus.h and define WIN32_NO_STATUS before including winnt.h

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

(cherry picked from commit ee6fbe222b34b28c617d4e6df994700af471b1b6)

fix leak in cc_mslsa.c

cc_name needs to be freed in krb5_lcc_close().

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

(cherry picked from commit dcd9202f058830eacbbdfd0dd26bd82d8101e8fd)

https://github.com/krb5/krb5/commit/2058bc678b9f0f17eaf5a8ae4babc596ad4f54f6
Author: Kevin Wasserman <kevin.wasserman@painless-security.com>
Committer: Tom Yu <tlyu@mit.edu>
Commit: 2058bc678b9f0f17eaf5a8ae4babc596ad4f54f6
Branch: krb5-1.10
 src/lib/krb5/ccache/cc_mslsa.c |   73 +++++++++++++++++++++++++++++++++++----
 1 files changed, 65 insertions(+), 8 deletions(-)