[gnome-runtime-images] base: Install bzip2

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 984ed9eaf09a6d2487066948a10cd82262c3d9c2
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Wed Feb 19 15:58:46 2020 +0100

    base: Install bzip2
    
    It was a dependency of flatpak-builder package.

 base | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/base b/base
index 966d4ba..445dc29 100644
--- a/base
+++ b/base
@@ -23,7 +23,7 @@ WORKDIR /build
 RUN cat /dev/urandom | tr -dc a-f0-9 | head -c32 > /etc/machine-id && echo "" >> /etc/machine-id
 
 RUN dnf -y update && \
-    dnf install -y flatpak librsvg2 ostree fuse elfutils \
+    dnf install -y flatpak librsvg2 ostree fuse elfutils bzip2 \
     dconf dbus-daemon git bzr xorg-x11-server-Xvfb dbus-x11 && \
     dnf clean all