Ensure that openssh-server is installed

src/freedombone-image-customise

@@ -212,7 +212,7 @@ if [ -n "$CUSTOM_SETUP" ]; then
     chroot "$rootdir" gdebi -n /tmp/"$(basename $CUSTOM_SETUP)"
 fi
 
-chroot "$rootdir" apt-get install -y git dialog build-essential
+chroot "$rootdir" apt-get install -y git dialog build-essential openssh-server
 chroot "$rootdir" git clone https://github.com/bashrc/freedombone /root/freedombone
 chroot "$rootdir" cd /root/freedombone && make install