`exec_rule_text` and `exec_rule_expression` have incorrect function signature

[korydraughn]

irods_rule_engine_plugin_audit_amqp/libirods_rule_engine_plugin-audit_amqp.cpp

Lines 431 to 437 in bc46902

	re->add_operation<irods::default_re_ctx&,const std::string&,std::list<boost::any>&,irods::callback>(
	"exec_rule_text",
	std::function<irods::error(irods::default_re_ctx&,const std::string&,std::list<boost::any>&,irods::callback)>( exec_rule_text ) );
	re->add_operation<irods::default_re_ctx&,const std::string&,std::list<boost::any>&,irods::callback>(
	"exec_rule_expression",
	std::function<irods::error(irods::default_re_ctx&,const std::string&,std::list<boost::any>&,irods::callback)>( exec_rule_expression ) );