(rasqal_new_service_rowsource): error path leak [coverity CID 43050]
(rasqal_new_bindings_from_var_values) error path leak [coverity CID 43049]
(rasqal_project_rowsource_ensure_variables): loop 0 to size-1 [coverity CID 43040]

This would never overrun since raptor_sequence_get_at() would cause
the loop exit first.
(rasqal_world_guess_query_results_format_name): error path leak [coverity CID 43048]
(rasqal_rowsource_rdf_process): error path leak [coverity CID 43047]
(rasqal_rowsource_rdf_process): error path leak [coverity CID 43046]
(rasqal_algebra_group_graph_pattern_to_algebra): use goto fail for cleanup [coverity CID 43044 43045]
(rasqal_algebra_graph_algebra_node_to_rowsource): error path [coverity CID 43044 43043]
(rasqal_expression_convert_aggregate_to_variable): Free output expr on error path [coverity CID 43041]
(rasqal_algebra_filter_algebra_node_to_rowsource): error path cleanup [coverity CID 43042]