[pan/gitlab-ci] Switch to Ubuntu

[Petr Kovář <pmkovar src gnome org>]

commit 9c1ad36fe4cc7483152cdfe2613d59b9f1baabc8
Author: Petr Kovar <pknbe volny cz>
Date:   Sun Dec 9 23:29:31 2018 +0100

    Switch to Ubuntu

 .gitlab-ci.yml | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6bc3ce4..26e0869 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,19 @@
-build-fedora-gtk2:
-  image: fedora:latest
+build-ubuntu-gtk2:
+  image: ubuntu:rolling
   before_script:
-    - dnf install -y git gcc desktop-file-utils gettext-devel glib2-devel gmime-devel gtk2-devel 
gtkspell-devel enchant-devel libappstream-glib libnotify-devel libgnome-keyring-devel itstool yelp-tools 
gnutls-devel
+    - apt-get update -qq
+    - apt-get install -qq --fix-missing
+        build-essential
+        autoconf
+        libglib2.0-dev
+        libgtk2.0-dev
+        libgmime-2.6-dev
+        libgtkspell-dev
+        libenchant-dev
+        libnotify-dev
+        libgnome-keyring-dev
+        libgnutls28-dev
+        yelp-tools
   script:
     - ./autogen.sh --without-gtk3 --with-gnutls --with-dbus --with-gmime-crypto --with-gtkspell 
--enable-libnotify --enable-gkr --enable-manual
     - make