Please unblock drbd 2:8.0.13-2

[Norbert Tretkowski <norbert@tretkowski.de>]

drbd8 (2:8.0.13-2) unstable; urgency=low
 .
   * Run depmod from generated module package using dh_installmodules.
     (closes: #496882)

Compared with 2:8.0.13-1 there's only one additional line in debian/rules.

	Norbert