[libgda/LIBGDA_5.2] CI: adding JDK for JDBC provider support at make check

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 5ed859c0e18f6da4842ca37cd5628650e0a1faf3
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Sep 30 10:36:22 2018 -0500

    CI: adding JDK for JDBC provider support at make check

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 41528d759..4b26044ef 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,6 +25,7 @@ variables:
                 libldap2-dev
                 libgoocanvas-2.0-dev
                 libhsqldb1.8.0-java
+                default-jdk
                 yelp-tools
                 iso-codes
                 libgirepository1.0-dev