[libsoup/wip/ci] Add missing mod_ssl dependency

[Claudio Saavedra <csaavedra src gnome org>]

commit c749bbfa033d5aaceb95937f057f588f7c9e756f
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Fri Aug 10 15:15:35 2018 +0000

    Add missing mod_ssl dependency

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f37bbfc2..7ac7e2c0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 image: fedora:28
 
 variables:
-  ADDITIONAL_DEPENDENCIES: which gtk-doc libpsl-devel make httpd php redhat-rpm-config
+  ADDITIONAL_DEPENDENCIES: which gtk-doc libpsl-devel make httpd php mod_ssl redhat-rpm-config
 
 build_stable:
   before_script: