Fix incorrect VdpPictureInfo typedef.

VdpPictureInfo should not be a pointer, otherwise the
VdpDecoderRender function signature asks for a pointer to a pointer.
But it really does expect a pointer directly to e.g. VdpPictureInfoH264.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Tested-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

include/vdpau/vdpau.h

@@ -2638,7 +2638,7 @@ typedef struct {
 } VdpBitstreamBuffer;
 
 /**
- * \brief A generic "picture information" pointer type.
+ * \brief A generic "picture information" type.
  *
  * This type serves solely to document the expected usage of a
  * generic (void *) function parameter. In actual usage, the
@@ -2647,7 +2647,7 @@ typedef struct {
  * picking the type appropriate for the decoder object in
  * question.
  */
-typedef void * VdpPictureInfo;
+typedef void VdpPictureInfo;
 
 /**
  * \brief Picture parameter information for an MPEG 1 or MPEG 2