Fix bug in VContainer::flushCachedResources reference count test.
Fix bug in VContainer::flushCachedResources reference count test.

Cached container handles have a reference count of zero, not one.

c-kuhlman/vision,MichaelJCaruso/vision,vision-dbms/vision,VisionAerie/vision,VisionAerie/vision,vision-dbms/vision,vision-dbms/vision,MichaelJCaruso/vision,MichaelJCaruso/vision,MichaelJCaruso/vision,VisionAerie/vision,VisionAerie/vision,c-kuhlman/vision,VisionAerie/vision,c-kuhlman/vision,MichaelJCaruso/vision,vision-dbms/vision,VisionAerie/vision,VisionAerie/vision,MichaelJCaruso/vision,c-kuhlman/vision,vision-dbms/vision,vision-dbms/vision,c-kuhlman/vision