[gtk] ci: Update the configuration options

[Emmanuele Bassi <ebassi src gnome org>]

commit 4b33cc5f897e8feb354438779371ef1e7e7fda6a
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Mar 1 17:08:27 2018 +0700

    ci: Update the configuration options
    
    The options were renamed in commit 7b32900c5574.

 .gitlab-ci/test-docker.sh | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)
---
diff --git a/.gitlab-ci/test-docker.sh b/.gitlab-ci/test-docker.sh
index 2ba308c8c6..dcac0a0c46 100755
--- a/.gitlab-ci/test-docker.sh
+++ b/.gitlab-ci/test-docker.sh
@@ -2,10 +2,17 @@
 
 set -e
 
-pwd
-meson -Denable-x11-backend=true -Denable-wayland-backend=true \
-    -Denable-broadway-backend=true -Denable-vulkan=yes _build_full
-cd _build_full
+srcdir=$(pwd)
+
+meson \
+        -Dx11-backend=true \
+        -Dwayland-backend=true \
+        -Dbroadway-backend=true \
+        -Dvulkan=yes \
+        _build $srcdir
+
+cd _build
+
 ninja
 
 xvfb-run -a -s "-screen 0 1024x768x24" \