Unused function in quartz

[Francois Gouget]

Hi,

In the following commit you added the OutputPin_DeliverNewSegment() 
function to pin.c. However today it is unused. Is there any plan to use 
it? Is it still relevant?

commit 0a6f11c88a8da49d80e4e7d8a0236ae4b36926b7
  Author: Robert Shearman 
  Date:   Thu Sep 25 23:50:06 2003 +0000

- A few cosmetic fixes.
      - Various bug fixes.
      - Add some OutputPin helpers.
      - Add a new type of pin, PullPin.