Small fix in the report generation
Small fix in the report generation


Former-commit-id: 12d69de36c78b4dec454dad77f98e8ddcc5f840e [formerly 3a9613a5b606e009f28544f52f52124580686d3d]
Former-commit-id: 4ab83bfeeed7c95aed065bf8b95e9e7101c03329
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine