clang-cl for windows ci

Author: Destructor17

.github/workflows/ci.yml

@@ -37,6 +37,9 @@ jobs:
 
     - name: Cargo test
       run: |
+        call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\Common7\Tools\VsDevCmd.bat"
+        REM gfxstream doesn't seem to support MSVC
+        set CXX=clang-cl
         cargo test --workspace --exclude webrogue-hub-client-openapi --exclude webrogue-launcher-dev --exclude webrogue-launcher --exclude webrogue-android-launcher --exclude webrogue-wrapp-reader
 
   macos: