Harmless changes to avbin trying to isolate PPC/avbin/silent problem.  Added lock over all avbin calls (may remove later), and a proper buffer copy where it looks like there should be one.
Harmless changes to avbin trying to isolate PPC/avbin/silent problem.  Added
lock over all avbin calls (may remove later), and a proper buffer copy where
it looks like there should be one.

Alwnikrotikz/pyglet,kmonsoor/pyglet,Alwnikrotikz/pyglet,Austin503/pyglet,odyaka341/pyglet,gdkar/pyglet,Austin503/pyglet,arifgursel/pyglet,qbektrix/pyglet,google-code-export/pyglet,kmonsoor/pyglet,odyaka341/pyglet,odyaka341/pyglet,mpasternak/pyglet-fix-issue-552,kmonsoor/pyglet,shaileshgoogler/pyglet,cledio66/pyglet,xshotD/pyglet,odyaka341/pyglet,mpasternak/pyglet-fix-issue-552,arifgursel/pyglet,gdkar/pyglet,Austin503/pyglet,cledio66/pyglet,mpasternak/michaldtz-fix-552,cledio66/pyglet,qbektrix/pyglet,shaileshgoogler/pyglet,google-code-export/pyglet,qbektrix/pyglet,gdkar/pyglet,arifgursel/pyglet,cledio66/pyglet,mpasternak/michaldtz-fix-552,xshotD/pyglet,arifgursel/pyglet,mpasternak/pyglet-fix-issue-518-522,shaileshgoogler/pyglet,mpasternak/michaldtz-fix-552,mpasternak/michaldtz-fixes-518-522,Alwnikrotikz/pyglet,cledio66/pyglet,gdkar/pyglet,Alwnikrotikz/pyglet,mpasternak/michaldtz-fixes-518-522,google-code-export/pyglet,odyaka341/pyglet,mpasternak/pyglet-fix-issue-518-522,mpasternak/pyglet-fix-issue-518-522,shaileshgoogler/pyglet,qbektrix/pyglet,Austin503/pyglet,gdkar/pyglet,kmonsoor/pyglet,arifgursel/pyglet,xshotD/pyglet,google-code-export/pyglet,google-code-export/pyglet,kmonsoor/pyglet,mpasternak/michaldtz-fix-552,Alwnikrotikz/pyglet,mpasternak/pyglet-fix-issue-552,shaileshgoogler/pyglet,mpasternak/michaldtz-fixes-518-522,mpasternak/pyglet-fix-issue-518-522,Austin503/pyglet,xshotD/pyglet,qbektrix/pyglet,mpasternak/pyglet-fix-issue-552,xshotD/pyglet,mpasternak/michaldtz-fixes-518-522