Fix typos from commit 53eeb07f

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

include/vdpau/vdpau.h

@@ -4429,7 +4429,7 @@ typedef VdpStatus VdpPresentationQueueBlockUntilSurfaceIdle(
  * \brief The status of a surface within a presentation queue.
  */
 typedef enum {
-    /** The surface is no queued or currently visible. */
+    /** The surface is not queued or currently visible. */
     VDP_PRESENTATION_QUEUE_STATUS_IDLE,
     /** The surface is in the queue, and not currently visible. */
     VDP_PRESENTATION_QUEUE_STATUS_QUEUED,