bug#17950: 24.4.50; REGRESSION: `read-file-name' from a menu (mouse) treats "~/" as installation dir

[Drew Adams]

> > * x-file-dialog("Foo: " "~/" nil nil nil)
> > * read-file-name-default("Foo: " "~/" nil nil nil nil)
> > * read-file-name("Foo: " "~/")
> >
> > When I hit `d' on `x-file-dialog' the file-selection box is popped
> > up with the incorrect directory in field `Look in:'.
> 
> So you are saying that x-file-dialog is called with the correct
> directory "~/", and yet the file selection dialog still shows another
> directory, is that right?

Apparently so.  As soon as I hit `d', at the point shown above, the
file-selection box popped up, with the wrong directory.