[gupnp] ci: Fix docs option for libsoup

[Jens Georg <jensgeorg src gnome org>]

commit a1e5aa7c6d562f35b900e16456bb5d2d51f8b958
Author: Jens Georg <mail jensge org>
Date:   Sun Apr 24 21:45:04 2022 +0200

    ci: Fix docs option for libsoup

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1f2815e..eaec5ed 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -53,7 +53,7 @@ check-merge-request:
   stage: build
   script:
       - git clone --depth=1 https://gitlab.gnome.org/GNOME/libsoup.git && pushd libsoup
-      - meson _build --prefix=/usr -Dtls_check=false -Dgtk_doc=false
+      - meson _build --prefix=/usr -Dtls_check=false -Ddocs=false
       - ninja -C _build install
       - popd  
       - meson . build --prefix=/usr -Db_coverage=true