[gedit-plugins/ci] Missing cd

[Jordi Mas <jmas src gnome org>]

commit fbce979589ead994e788374201128f88e9e571f8
Author: Jordi Mas <jmas softcatala org>
Date:   Wed May 8 21:00:25 2019 +0200

    Missing cd

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d07d1e4..c32797a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,6 +12,6 @@ build:
     - apt-get install python3 python3-dbus python-dbus-dev python3-gi -y
 
   script:
-    - mkdir meson && meson
+    - mkdir meson && cd meson
     - meson configure
     - meson distcheck