Format readwritesplit source code

Formatted all files with Astyle.

server/modules/routing/readwritesplit/rwsplitsession.hh

@@ -123,7 +123,7 @@ public:
     ClientHandleMap         m_ps_handles;  /**< Client PS handle to internal ID mapping */
     ExecMap                 m_exec_map; /**< Map of COM_STMT_EXECUTE statement IDs to Backends */
     std::string             m_gtid_pos; /**< Gtid position for causal read */
-    wait_gtid_state_t       m_wait_gtid_state; /**< Determine boundray of wait gtid result and client query result */
+    wait_gtid_state_t       m_wait_gtid_state; /**< Determine boundary of generated query result */
     uint32_t                m_next_seq; /**< Next packet's sequence number */
     mxs::QueryClassifier    m_qc; /**< The query classifier. */
     uint64_t                m_retry_duration; /**< Total time spent retrying queries */