shlwapi: optimise path functions

[Alexandre Julliard]

Andrew de Quincey <adq_dvb at lidskialf.net> writes:

> CharNextW takes on average 168.5340us. However it is called 12396 times when 
> opening the save box for IDA. As I said, IDA supplies quite a large string of 
> filter expressions to the save box. This results in a total time of 
> 2089146.9655us being spent in the CharNextW function.

That's not possible, such a simple function cannot take 168us, unless
you have a 1Mhz CPU... How did you measure it?

-- 
Alexandre Julliard
julliard at winehq.com