hpcc-systems/HPCC-Platform — pull request #4797 by jakesmith (2013-09-04 10:46:38+00:00)
Title: HPCC-9904 - ensure detach checks if allowed to delete file

Regression introduced by HPCC-8364, allowed logical files to be
deleted by various components (e.g. thor writing to a file) even
if logical file was owned by a superfile.

Signed-off-by: Jake Smith