win: add support for DCH (Hotfix) driver 551.68

fixes #767

drivers.json

@@ -4259,6 +4259,15 @@
                     "patch64_url": "win10_x64/551.61/nvencodeapi64.1337",
                     "patch32_url": "win10_x64/551.61/nvencodeapi.1337",
                     "driver_url": "https://international.download.nvidia.com/Windows/551.61/551.61-desktop-win10-win11-64bit-international-dch-whql.exe"
+                },
+                {
+                    "os": "win10",
+                    "product": "GeForce",
+                    "version": "551.68",
+                    "variant": "DCH (Hotfix)",
+                    "patch64_url": "win10_x64/551.68/nvencodeapi64.1337",
+                    "patch32_url": "win10_x64/551.68/nvencodeapi.1337",
+                    "driver_url": "https://international.download.nvidia.com/Windows/551.68hf/551.68-desktop-notebook-win10-win11-64bit-international-dch.hf.exe"
                 }
             ]
         }

win/README.md

 NVENC and NvFBC patches for Windows Nvidia drivers
 ==================================================
 
-![GitHub last commit](https://img.shields.io/github/last-commit/keylase/nvidia-patch.svg) ![Latest GeForce version](https://img.shields.io/badge/latest%20GeForce%20version-551.61-brightgreen.svg) ![Latest Quadro version](https://img.shields.io/badge/latest%20Quadro%20version-536.25-blue.svg)
+![GitHub last commit](https://img.shields.io/github/last-commit/keylase/nvidia-patch.svg) ![Latest GeForce version](https://img.shields.io/badge/latest%20GeForce%20version-551.68-brightgreen.svg) ![Latest Quadro version](https://img.shields.io/badge/latest%20Quadro%20version-536.25-blue.svg)
 
 NVENC patch removes restriction on maximum number of simultaneous NVENC video encoding sessions imposed by Nvidia to consumer-grade GPUs.
 
@@ -40,7 +40,7 @@ If you like this project, best way to contribute is by sending PRs and fixing do
 5. Apply x86 library patch to corresponding file in `%WINDIR%\SysWOW64\` in the same way as previous one.
    - *If patching fails, close all applications using nvencodeapi.dll, such as OBS Studio, Plex or Discord.*
 
-**Example:** for 64bit Windows 10 running driver version 551.61, use `win10_x64/551.61/nvencodeapi64.1337` against `C:\WINDOWS\system32\nvencodeapi64.dll` **and** `win10_x64/551.61/nvencodeapi.1337` against `C:\WINDOWS\SysWOW64\nvencodeapi.dll`.
+**Example:** for 64bit Windows 10 running driver version 551.68, use `win10_x64/551.68/nvencodeapi64.1337` against `C:\WINDOWS\system32\nvencodeapi64.dll` **and** `win10_x64/551.68/nvencodeapi.1337` against `C:\WINDOWS\SysWOW64\nvencodeapi.dll`.
 
 You can also use FFmpeg to [verify that NVENC session limit is removed](https://github.com/keylase/nvidia-patch/wiki/Verify-NVENC-patch).
 
@@ -239,6 +239,7 @@ Credits to [TroubleChute channel](https://www.youtube.com/channel/UCkih2oVTbXPEp
 | GeForce | 551.46 DCH (Hotfix) | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/551.46/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/551.46/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/551.46hf/551.46-desktop-notebook-win10-win11-64bit-international-dch.hf.exe) |
 | GeForce | 551.52 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/551.52/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/551.52/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/551.52/551.52-desktop-win10-win11-64bit-international-dch-whql.exe) |
 | GeForce | 551.61 DCH / Studio Driver | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/551.61/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/551.61/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/551.61/551.61-desktop-win10-win11-64bit-international-dch-whql.exe) |
+| GeForce | 551.68 DCH (Hotfix) | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/551.68/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/551.68/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/551.68hf/551.68-desktop-notebook-win10-win11-64bit-international-dch.hf.exe) |
 
 
 | Product series | Version | x64 library patch | x86 library patch | Driver link |

win/win10_x64/551.68/nvencodeapi.1337

+>nvencodeapi.dll
+0000000000041947:89->33
+0000000000041948:45->C0
+0000000000041949:08->89
+000000000004194A:85->45
+000000000004194B:C0->08
\ No newline at end of file

win/win10_x64/551.68/nvencodeapi64.1337

+>nvencodeapi64.dll
+0000000000049941:8B->33
+0000000000049942:F0->C0
+0000000000049943:85->8B
+0000000000049944:C0->F0
\ No newline at end of file