vaapi-x11.c: vaSetImagePalette() fails.

Setting the palette does not work and the function always returns with
status VA_STATUS_ERROR_OPERATION_FAILED. Re-enable when figure out how
it should be used then.

modules/codec/avcodec/vaapi_x11.c

@@ -647,7 +647,7 @@ static VAStatus SubpictureUnlink( vlc_va_conn_t *p_connection, VASurfaceID surfa
     }
     return status;
 }
-
+#if 0
 static void CopyPalette(vout_display_t *vd, VAImage *image, video_palette_t *p_palette)
 {
     vout_display_sys_t *sys = vd->sys;
@@ -689,6 +689,7 @@ static void CopyPalette(vout_display_t *vd, VAImage *image, video_palette_t *p_p
     if (status != VA_STATUS_SUCCESS)
         msg_Err(vd, "failed setting palette. (%d)", status);
 }
+#endif
 
 static int CopyPictureToVAImage(vout_display_t *vd, picture_t *pic,
                                 VAImage *image, VAImageFormat *fmt)
@@ -728,10 +729,10 @@ static int CopyPictureToVAImage(vout_display_t *vd, picture_t *pic,
 
     image->num_palette_entries = 0;
     image->entry_bytes = 0;
-
+#if 0 /* FIXME: does not work */
     if (pic->format.p_palette)
         CopyPalette(vd, image, pic->format.p_palette);
-
+#endif
     void *p_base;
     status = vaMapBuffer(sys->conn->p_display, image->buf, &p_base);
     if (status != VA_STATUS_SUCCESS)