Fix for msbuild

Author: cannam

.github/workflows/windows.yml

@@ -9,6 +9,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+    - uses: microsoft/setup-msbuild@v2
     - uses: actions/setup-python@v5
       with:
         python-version: '3.x'
@@ -33,6 +34,3 @@ jobs:
     - name: dotnet
       run: |
         msbuild dotnet\rubberband.sln /t:Restore;Build
-    - name: single
-      run: |
-        cl main\main.cpp single\RubberBandSingle.cpp .\src\ext\getopt\getopt.c src\ext\getopt\getopt_long.c "C:\Program Files\libsndfile\lib\sndfile.lib" /O2 /std:c++14 /D_USE_MATH_DEFINES /DNOMINMAX /EHs /I"C:\Program Files\libsndfile\include" /link /out:test_single.exe