allow links to Effects in the plug-in folder

I did some experimentation and found that on Windows, if you put a link to an effect (file–which resides on some other drive) in the plug-ins folder, the plug-in fails to be installed. What happens on Mac and Linux?

See this forum thread for details on allowing said links:
and a patch which works for Windows.

this patch is functionally the same but is more ready for the time when plug-ins/ might have sub-folders
loadEffectLinks2.patch (4.84 KB)

I have been informed that on Mac Audacity is not “well behaved” when dealing with links (called aliases on Mac).
Look here for programming details to resolve the problem:
as I have done with Windows.

Links to effects work in Linux (tested on LMDE 201109)