Simplified audit event dispatching call chain from:
mysql_audit_notify_connection_connect() // can be inlined
mysql_audit_notify() // can't be inlined
connection_class_handler() // can't be inlined
event_class_dispatch() // can be inlined
plugins_dispatch() // can be inlined
plugin->event_notify() // can't be inlined
to:
mysql_audit_notify_connection_connect() // can be inlined
mysql_audit_notify() // can't be inlined
plugins_dispatch() // can be inlined
plugin->event_notify() // can't be inlined