Cosmetics.

git-svn-id: https://www.libavg.de/svn/trunk/libavg@8771 44470bb9-56e9-0310-a0f8-c586564d3dc6
Delayed display initialization (Fixes #389).

git-svn-id: https://www.libavg.de/svn/trunk/libavg@8772 44470bb9-56e9-0310-a0f8-c586564d3dc6