Failure running 1998-era online manual

[Eric Pouech]

> It sounds like mmioOpen's documentation at
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/multimed/mmfunc_665q.asp
> is incomplete; it doesn't describe what the function does when
> there's no filename, just a +init, in the string passed to mmioOpen.
> I tried patching the source for MMIO_ParseExtA to assume an extension of ""
> in this case, but it didn't help, the program still exits.
I'll try to look at it. (it may not even be mmio related)

A+