analyzer.py: refactor _setup_machine_time() for readability
analyzer.py: refactor _setup_machine_time() for readability

cuckoobox/cuckoo,cuckoobox/cuckoo,cuckoobox/cuckoo,rodionovd/cuckoo-osx-analyzer,cuckoobox/cuckoo,cuckoobox/cuckoo,rodionovd/cuckoo-osx-analyzer,rodionovd/cuckoo-osx-analyzer