[*SQUASH*][DVDOverlay] Really correct the loop in the OverlayGroup copy constructor.
[*SQUASH*][OMXPlayer] Revert unrelated changes in [Cores] Fix possible NULL pointer dereferences.
SQUASH with 36e4c1401df3a0d424d60ac7183fea90f06a4ac2
[OMXPlayer] Performance: Remove unnecessary NULL pointer checks.