dCache/dcache — pull request #300 by gbehrmann (2013-11-14 19:07:53+00:00)
Title: pool: Fix -sticky option in migration module

Addresses a regression that causes the -sticky option when
used without a value to not match any files.

The issue was that the empty value of a multi-valued option
was translated to an array with the empty string rather than
the empty array.

Target: trunk
Request: 2.7
Request: 2.6
Ticket: http://rt.dcache.org/Ticket/Display.html?id=8108
Require-notes: yes
Require-book: no
Acked-by: Paul Millar
Patch: http://rb.dcache.org/r/6247/
(cherry picked from commit 7c34310cd369f602258757318ce4dffb970fdb71)