Windows: Protect all Mm and Cc calls with try..except

Wrap all Memory Manager and Cache Manager operations in a try..except
block to protect against leaking the SectionObjectResource if an exception
is thrown.  Failure to release the SectionObjectResource will result in
subsequent deadlocks.

Reviewed-on: http://gerrit.openafs.org/10039
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit bff2b8792c669649a81e86633de878f449b6bf01)

Change-Id: I4123d6cf9a2cdde1c81adcb1dd160c593abe8f26
Reviewed-on: http://gerrit.openafs.org/10041
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Windows: validate pointer consistency

When cm_ValidateCache() is executed validate pointers to ensure
that they are in the valid range for the class of pointer.

Reviewed-on: http://gerrit.openafs.org/10040
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 5dee9ac3468f9d5a929f9b42bd671411e38092fb)

Change-Id: I4e78ef473f6cb9210ea912ec8a97d0eb05bd4e34
Reviewed-on: http://gerrit.openafs.org/10042
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>