Update varnish-agent.spec
Update varnish-agent.spec

Just added one line to let know rpmbuild the dependencies needed.

KristianLyng/vagent2,KristianLyng/vagent2,KristianLyng/vagent2,KristianLyng/vagent2,KristianLyng/vagent2,KristianLyng/vagent2,KristianLyng/vagent2