* DevNotes: Add entry cgf-000005.

* fhandler.h (PIPE_ADD_PID): Redefine to something we actually DON'T use.
* pipe.cc (fhandler_pipe::create): Avoid clearing all open_mode bits when
checking for PIPE_ADD_PID.  Properly keep track of len so that passed in name
is not overwritten.

winsup/cygwin/release/1.7.16

@@ -2,3 +2,10 @@ What's new:
 -----------
 
 - New API: memrchr.
+
+Bug fixes:
+----------
+
+- Fix pipe creation problem which manifested as a problem creating a
+fifo.  Fixes: http://cygwin.com/ml/cygwin/2012-05/msg00253.html
+