Fix typos

Signed-off-by: Owen Smith <owen.smith@citrix.com>
Merge branch 'upstream' of github.com:OwenSmith/win-xenvbd into upstream
Remove KeFlushQueuedDpcs on disable

The DPC checks for state before doing anything, allowing
a DPC to run (and exit immidiately) should be safe.

Signed-off-by: Owen Smith <owen.smith@citrix.com>
Merge branch 'upstream' of github.com:OwenSmith/win-xenvbd into upstream
Merge pull request #4 from OwenSmith/upstream

Remove KeFlushQueuedDpcs on disable

Approved-By: Ben Chalmers <ben.chalmers@citrix.com>