Fixes gcc '-Wunused-but-set-variable' warning:
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c: In function 'vmw_event_fence_action_seq_passed':
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c:909:19: warning:
 variable 'file_priv' set but not used [-Wunused-but-set-variable]
  struct drm_file *file_priv;
It not used any more since
commit 
fb740cf2492c ("drm: Create drm_send_event helpers")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
                container_of(action, struct vmw_event_fence_action, action);
        struct drm_device *dev = eaction->dev;
        struct drm_pending_event *event = eaction->event;
-       struct drm_file *file_priv;
-
 
        if (unlikely(event == NULL))
                return;
 
-       file_priv = event->file_priv;
        spin_lock_irq(&dev->event_lock);
 
        if (likely(eaction->tv_sec != NULL)) {