db/schema/openquake.sql: fixed typos, now sql is valid
db/schema/openquake.sql: fixed typos, now sql is valid


Former-commit-id: 431f9eb4d6331f8ae66d8b8a8db150d95b8a3dbf [formerly ef99e69784016c57174fb4fac0fa956b01dbb7ed]
Former-commit-id: a7790ffcb469d7fbb25ed9a74a8801e8f7641716
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine