[damned-lies] Also add yelp-xsl to ci config

[Claude Paroz <claudep src gnome org>]

commit 684a77c459a9d2803c20572266cc49c8f373216c
Author: Claude Paroz <claude 2xlibre net>
Date:   Mon Sep 17 11:00:13 2018 +0200

    Also add yelp-xsl to ci config

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 43c8cd7c..59a38204 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 image: python:latest
 
 before_script:
-  - apt update -qq && apt install -y -qq libicu-dev python3-icu python3-aeidon gettext intltool itstool 
yelp-tools gnome-doc-utils
+  - apt update -qq && apt install -y -qq libicu-dev python3-icu python3-aeidon gettext intltool itstool 
yelp-tools yelp-xsl gnome-doc-utils
   - pip install -r requirements.txt
 
 test: