This update for ffnvcodec fixes the following issues:

Update to 10.0.26.0:

* Update headers from Video SDK 10.0

Update to version 9.1.23.1:

* Add primary context management functions

Update to version 9.1.23.0

* Add cuCtxGetDevice
* Use pointer-to-struct typedefs for pointer-to-struct types
* Update headers from Video SDK 9.1 release

Update to version 9.0.18.1

* Fix CUdeviceptr definition for 64bit CPU

Changes from version 9.0.18.0

* Initial release for SDK 9.0