fixup! ci: add windows builds

Author: torkelrogstad

.github/workflows/build.yml

@@ -77,8 +77,9 @@ jobs:
           options: -v ${{ github.workspace }}:/zside --workdir=/zside
           shell: bash
           run: |
+            set -e
             make -C ./depends download-win
-            HOST=x86_64-w64-mingw32 make -C ./depends -j
+            HOST=x86_64-w64-mingw32 make -C ./depends
             export CONFIG_SITE=$PWD/depends/x86_64-w64-mingw32/share/config.site
             ./autogen.sh
             ./configure --disable-tests --disable-bench --disable-hardening --enable-online-rust