[PATCH 2/6] ddraw: Add possibility to ignore lights in viewport_activate.

[Alexander Dorofeyev]

Mostly NOP regarding existing functionality, but makes it possible to skip light 
activation when it's not needed (like when clearing).
---
  dlls/ddraw/ddraw_private.h |    4 ++--
  dlls/ddraw/device.c        |    2 +-
  dlls/ddraw/executebuffer.c |    2 +-
  dlls/ddraw/viewport.c      |   20 +++++++++++---------
  4 files changed, 15 insertions(+), 13 deletions(-)
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