[libsoup/wip/ci] Add php-xmlrpc to extra dependencies as needed for tests.

[Claudio Saavedra <csaavedra src gnome org>]

commit 5726c862bf35ad9fc19396691d359f2bfd457e97
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Tue Aug 14 12:34:19 2018 +0000

    Add php-xmlrpc to extra dependencies as needed for tests.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a8d938c8..e75ad8ad 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 mod_ssl redhat-rpm-config
+  ADDITIONAL_DEPENDENCIES: which gtk-doc libpsl-devel make httpd php php-xmlrpc mod_ssl redhat-rpm-config
 
 build_stable:
   before_script: