ceph/ceph — pull request #3268 by ukernel (2014-12-29 02:08:22+00:00)
Title: libcephfs/test.cc: close fd before umount

Fixes: #10415
Signed-off-by: Yan, Zheng
(cherry picked from commit d3fb563cee4c4cf08ff4ee01782e52a100462429)