ejabberd: Manual merge from parameterize branch

ejabberd/templates/ejabberd-backup.erb

@@ -25,7 +25,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-DESTDIR="<%= @ejabberd_backup_datadir %>"
+DESTDIR="<%= @datadir %>"
 
 if [ ! -d ${DESTDIR} ]; then
     echo "ERR: ejabberd backup directory [${DESTDIR}] does not exist" 1>&2