Update ci.yml

Author: ChrisDenton

.github/workflows/ci.yml

@@ -183,7 +183,7 @@ jobs:
         run: |
           $vs = &"${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe" -latest -format value -property installationPath
           &$vs\Common7\Tools\Launch-VsDevShell.ps1 -HostArch Amd64 -Arch x86
-          Enter-VsDevshell -HostArch Amd64 -Arch x86 -DevCmdArguments "-winsdk 10.0.26100.0"
+          Enter-VsDevshell -VsInstallPath $vs -HostArch Amd64 -Arch x86 -DevCmdArguments "-winsdk 10.0.26100.0"
           $new_env = ls env: | foreach { echo "$($_.key)=$($_.value)" }
           $new_env >> $env:GITHUB_ENV
           $env:PATH += ";c:/msys64/usr/bin"