packager: make it compatible with new debian/rules
packager: make it compatible with new debian/rules

Former-commit-id: 58dadc7daf20a198f68317e53a56a55c7596834d [formerly 9f8cd021408bc59231ae1af86eabfc702929b18b]
Former-commit-id: 53e5838a7188e3643dadc2e0020f059ac5a432d8
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine