Bug#836228: fix build with ld --as-needed as the default

[Matthias Klose]

Package: src:monkeysphere
Version: 0.39-1
Severity: important
Tags: patch sid stretch

this fixes the build when ld --as-needed is the default behaviour.

patch at
http://launchpadlibrarian.net/281962610/monkeysphere_0.39-1_0.39-1ubuntu1.diff.gz