[Yhc] buildbot failure in macosx_x86_dual

[andrewjwilkinsonw at gmail.com]

The Buildbot has detected a failed build of macosx_x86_dual.
Full details are available at:
 http://www.indiegigs.co.uk:8010/macosx_x86_dual/builds/61

Buildbot URL: http://www.indiegigs.co.uk:8010/

Buildslave for this Build: markus2

Build Reason: 
Build Source Stamp: HEAD
Blamelist: Tom Shackell <shackell at cs.york.ac.uk>

BUILD FAILED: failed library

sincerely,
 -The Buildbot