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


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Former-commit-id: e977a1509095be73f53c140e69310d7b605ec57b
Former-commit-id: f66174b8a386f260f668375a870848aed1885027
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine