rpm/makerpm.sh: change 'BASE' calculation
rpm/makerpm.sh: change 'BASE' calculation


Former-commit-id: e285868f46ce1144fabe893ca86fe3d088cebd9b [formerly 8f0959d869d0ce8bc5b7f545be9a0b9559bf7805]
Former-commit-id: 892a2a3081e246ed790baee378e848878093522c
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine