Fixed get_checksum32 [skip hazardlib]
Fixed get_checksum32 [skip hazardlib]


Former-commit-id: 2dca5b56929d650315405f9cf7a04ea00e6c84cb [formerly 4285ec80651f67eeb3a06d3c2f6fb7f5f8402b17]
Former-commit-id: 8fc8bdc55c74cba3ee91ba07336b8f3d1ca3fedc
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine