rpm: /usr/share/openquake should be owned by risklib
rpm: /usr/share/openquake should be owned by risklib

Former-commit-id: 01359987b4f794aea5551039e4779b63a9f37458
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine