Fixed a missing loss_type in export_loss_fraction_xml
Fixed a missing loss_type in export_loss_fraction_xml


Former-commit-id: ec26361fc1642d4e75072129cbb1546fadeb4313 [formerly 22395f00af5a105f34c4a656bb6b25e818c99a42]
Former-commit-id: 0929b8b0350039d5b20707478c37c7a3a3552b98
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine