Since we run pbuilder as root, .deb packages owned by root user so we need to
run 'rm -rf build' as root as well.
Signed-off-by: Takuya ASADA <syuu@scylladb.com>
Message-Id: <1512373941-7018-1-git-send-email-syuu@scylladb.com>
(cherry picked from commit 0f38eb221ebba78fa8858dac8b7197797a718be1)
9d8dda35bf