msi [2/2]: Perform button control events in greatest to least order [RESEND]

[Mike McCormack]

James Hawkins wrote:

> Is there anything wrong with this patch?  It fixes bug 6379.  msdn is
> not specific about which order the events in the ControlEvent table
> are executed, greatest to least or vice versa.

It might be better to store the results in a list instead of using 
recursion.  Though recursion is a "neat" solution, it's possible to 
overrun the bounds of the stack on a big data set.

Mike