Sets the position of the rule in the rule execution order.
AFTKN_RULE_SET_POSITION or 943
VOID RuleSetPosition( [ANSISTRING] UserID; ANSISTRING RuleName; WORD RulePos)
(Optional) The user id of a proxy user.
The name of the rule as returned by RuleGetName().
The new 0-based index of the rule within the execution order.