Memory Leak in get_best_ror_intersect(). Exposed in innodb.test case

Been seeing this a while, figured I'd add it as a bug...

==9466== 200 bytes in 13 blocks are definitely lost in loss record 7 of 13
==9466== at 0x4C2726C: operator new(unsigned long) (vg_replace_malloc.c:230)
==9466== by 0x5C2032: void std::vector<drizzled::st_ror_scan_info*, std::allocator<drizzled::st_ror_scan_info*> >::_M_assign_aux<drizzled::st_ror_scan_info**>(drizzled::st_ror_scan_info**, drizzled::st_ror_scan_info**, std::forward_iterator_tag) (new_
llocator.h:92)
==9466== by 0x5BA3A0: drizzled::get_best_ror_intersect(drizzled::optimizer::Parameter const*, drizzled::SEL_TREE*, double, bool*) (stl_vector.h:1002)
==9466== by 0x5C0583: drizzled::optimizer::SqlSelect::test_quick_select(drizzled::Session*, std::bitset<72ul>, unsigned long, unsigned long, bool, bool) (range.cc:1081)
==9466== by 0x61B566: drizzled::get_quick_record_count(drizzled::Session*, drizzled::optimizer::SqlSelect*, drizzled::Table*, std::bitset<72ul> const*, unsigned long) (sql_select.cc:476)
==9466== by 0x599947: drizzled::make_join_statistics(drizzled::JOIN*, drizzled::TableList*, drizzled::Item*, drizzled::st_dynamic_array*) (join.cc:5955)
==9466== by 0x59AAE6: drizzled::JOIN::optimize() (join.cc:554)
==9466== by 0x61B96C: drizzled::mysql_select(drizzled::Session*, drizzled::Item***, drizzled::TableList*, unsigned int, drizzled::List<drizzled::Item>&, drizzled::Item*, unsigned int, drizzled::order_st*, drizzled::order_st*, drizzled::Item*, unsigned
long, drizzled::select_result*, drizzled::Select_Lex_Unit*, drizzled::Select_Lex*) (sql_select.cc:412)
==9466== by 0x5A7E5A: drizzled::optimizer::ExplainPlan::explainUnion(drizzled::Session*, drizzled::Select_Lex_Unit*, drizzled::select_result*) (explain_plan.cc:576)
==9466== by 0x6159BC: drizzled::execute_sqlcom_select(drizzled::Session*, drizzled::TableList*) (sql_parse.cc:556)
==9466== by 0x615669: drizzled::mysql_execute_command(drizzled::Session*) (sql_parse.cc:512)
==9466== by 0x616CF6: drizzled::mysql_parse(drizzled::Session*, char const*, unsigned int, char const**) (sql_parse.cc:801)
==9466== by 0x6170F9: drizzled::dispatch_command(drizzled::enum_server_command, drizzled::Session*, char*, unsigned int) (sql_parse.cc:220)
==9466== by 0x5E3C30: drizzled::Session::executeStatement() (session.cc:739)
==9466== by 0x5E6481: drizzled::Session::run() (session.cc:591)
==9466== by 0x14C96231: ???