[REVIEW] Some patches for master - fix build without krb5-devel

[Brad Hards]

I've updated openchange to match (will commit after you autobuild / merge). 
I'm happy with the changes.

On Tue, 25 Oct 2011 12:34:05 PM Andrew Bartlett wrote:
> I wonder why we didn't get an autobuild failure for this?  In any case,
> my master-devel branch has a fix for this issue, and the next one you
> would hit with tevent.
Probably because the autobuild only covers the "in tree" cases. I know Tridge 
was considering an extra autobuild case to use system talloc / tdb / ldb / 
tevent.

Brad