Fix the vcvars setup call

Author: zanieb

.github/workflows/windows.yml

@@ -96,7 +96,7 @@ jobs:
       - name: Build
         shell: cmd
         run: |
-          call "C:\Program Files (x86)\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\${{ matrix.vcvars }}"
+          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\${{ matrix.vcvars }}"
           py.exe -3.9 build-windows.py --python ${{ matrix.py }} --sh c:\cygwin\bin\sh.exe --options ${{ matrix.options }}
 
       - name: Validate Distribution