[Pipet Users] the make problem is a bit better

[Jean-Marc Valin]

> I got that fixed.. but now I have another error, saying no method
> 'UIDocument::scanDL'..  I tried looking for a scanDL method in overflow, but
> I couldn't find any.  Could anyone help me with this?

OK, my fault again ;-( I forgot that this change breaks source
compatibility with Piper. In the Piper source, UIDocument::scanDL()
should be replaced by scanDL(), which is found in "path.h".

	Jean-Marc