github: enable -Werror

We can enable the Werror switch now after we fixed all warnings.

Signed-off-by: Marco Felsch <[email protected]>

Author: Marco Felsch

.github/workflows/tests.yml

@@ -19,6 +19,6 @@ jobs:
 
     - name: Build
       run: |
-        meson setup build # enable -Dwerror=true later
+        meson setup -Dwerror=true build
         meson configure build
         meson compile -C build