[glib-networking] Properly enable werror in scan-build CI

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 5c45ce08d3bf51566319b5969fed5bce9cb1cb03
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Jul 9 13:52:52 2020 +0000

    Properly enable werror in scan-build CI

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f0f7a73..515ac8d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -43,7 +43,7 @@ fedora-x86_64-scan-build:
             -Dopenssl=enabled
             -Dlibproxy=enabled
             -Dgnome_proxy=enabled
-            --werror
+            -Dwerror=true
             _build/
     - ninja -C _build/ scan-build
     - bash -c 'if [[ -n "$(ls -A _build/meson-logs/scanbuild/)" ]]; then echo "Scan build log found, 
assuming defects exist"; exit 1; fi'