ci: Use the appropriate argument for errors

The option to enable fatal warnings in Meson is `--werror`.

diff --git a/.gitlab-ci/test-docker.sh b/.gitlab-ci/test-docker.sh
index 65cf246b628695da750b67bd6286b51552c648ac..fda2074f6fdb82b3edf0b9d1489974f3d2b73d27 100755 (executable)
--- a/.gitlab-ci/test-docker.sh
+++ b/.gitlab-ci/test-docker.sh
@@ -9,7 +9,7 @@ meson \
         -Dwayland-backend=true \
         -Dbroadway-backend=true \
         -Dvulkan=yes \
-        -Dwerror=true \
+        --werror \
         _build $srcdir
 
 cd _build