[gnome-runtime-images] Base: Install dbus-x11

[Jordan Petridis <jpetridis src gnome org>]

commit afeb0fef7efc4ce30a0cd2ad5c7331f9aac3768b
Author: Jordan Petridis <jordanpetridis protonmail com>
Date:   Mon Sep 10 11:44:34 2018 +0000

    Base: Install dbus-x11
    
    This is what provides dbus-launch in fedora 28

 base.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/base.yml b/base.yml
index 620bd2d..ad3f3d8 100644
--- a/base.yml
+++ b/base.yml
@@ -4,7 +4,10 @@ VOLUME /build
 WORKDIR /build
 ENV FLATPAK_GL_DRIVERS=dummy
 
-RUN dnf -y update && dnf install -y flatpak-builder ostree fuse elfutils dconf git bzr xorg-x11-server-Xvfb 
&& dnf clean all
+RUN dnf -y update && \
+    dnf install -y flatpak-builder ostree fuse elfutils \
+    dconf git bzr xorg-x11-server-Xvfb dbus-x11 && \
+    dnf clean all
 
 RUN flatpak remote-add flathub https://dl.flathub.org/repo/flathub.flatpakrepo
 RUN flatpak remote-add gnome-nightly https://sdk.gnome.org/gnome-nightly.flatpakrepo