(2.6) Fix fix Already have 1 record(s) with pnfsPath= ...

Fix Already have 1 record(s) with pnfsPath=...

"error" generated when transferring files to directories containing writetoken flags 

Stripped down patch http://rb.dcache.org/r/5671


    (commit 635a05a78debe247c717b6fd27c18067af676ccb to master)

RELEASE NOTES 

Eliminate bogus error "Already have 1 record(s) with pnfsPath=..." when transferring files to directories containing writetoken tags.

Ticket: 7888
Acked-by:
Target: trunk
Request: 2.6
Request: 2.2
Require-book: no
Require-notes: yes