The fix for
  4446519 Need to generate javadocs for com.sun.security.jgss & auth packages

broke the docs build on win32 (and on Sparc systems without access to
/usr/web/work).

This javadoc option used in Docs.gmk is the problem version:

  -linkoffline ../../../../api file:/usr/web/work/j2se/1.4/docs/api

The correct form is also in the makefile, but someone commented it out:

  # -linkoffline ../../../api $(DOCSDIR)/api/