drm: i915: Fix 'sequence has passed' condition in i915_vblank_swap().

Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
=?utf-8?q?Michel_D=C3=A4nzer?= 2006-10-25 00:10:24 +10:00 committed by airlied
commit 2dbb232c4d