[gxml] CI: adding git package dependency for make check

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 114db886ba218a889daf491f29748c66253cff19
Author: Daniel Espinosa <esodan gmail com>
Date:   Wed Sep 5 20:19:35 2018 -0500

    CI: adding git package dependency for make check

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 757fb2b..0a1ac05 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ variables:
                 valac libgee-0.8-dev gettext
                 gnome-common libtool-bin
                 gobject-introspection libgirepository1.0-dev valadoc
-                yelp-tools iso-codes
+                yelp-tools iso-codes git
 
   GIT_SUBMODULE_STRATEGY: normal