sysaudio: CI: clone mach-glfw (system SDK) dependency

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

libs/sysaudio/.github/workflows/ci.yml

@@ -13,7 +13,10 @@ jobs:
           sudo apt install xz-utils
           sudo sh -c 'wget -c https://ziglang.org/builds/zig-linux-x86_64-0.11.0-dev.3883+7166407d8.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
       - name: build
-        run: zig build
+        run: |
+          rm -rf libs/mach-glfw
+          git clone https://github.com/hexops/mach-glfw libs/mach-glfw
+          zig build
       - name: test
         run: zig build test
   x86_64-windows:
@@ -29,7 +32,10 @@ jobs:
           7z x zig.zip
           Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.11.0-dev.3883+7166407d8\"
       - name: build
-        run: zig build
+        run: |
+          Remove-Item -Recurse -Force libs/mach-glfw
+          git clone https://github.com/hexops/mach-glfw libs/mach-glfw
+          zig build
       - name: test
         run: zig build test
   x86_64-macos:
@@ -42,7 +48,10 @@ jobs:
           brew install xz
           sudo sh -c 'wget -c https://ziglang.org/builds/zig-macos-x86_64-0.11.0-dev.3883+7166407d8.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
       - name: build
-        run: zig build
+        run: |
+          rm -rf libs/mach-glfw
+          git clone https://github.com/hexops/mach-glfw libs/mach-glfw
+          zig build
         env:
           AGREE: true
       - name: test