dist/debian: requires root privilege to wipe build directory
dist/debian: requires root privilege to wipe build directory

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 <4ebfb6f510af412d6e89fefa3ab96d9c8b5e3fff@scylladb.com>
Message-Id: <1512373941-7018-1-git-send-email-4ebfb6f510af412d6e89fefa3ab96d9c8b5e3fff@scylladb.com>

scylladb/scylla-jmx,scylladb/scylla-jmx,scylladb/scylla-jmx