ports/55330: make building of mozilla's XMLTerm module optional

[Joe Marcus Clarke]

Synopsis: make building of mozilla's XMLTerm module optional

State-Changed-From-To: open->analyzed
State-Changed-By: marcus
State-Changed-When: Wed Aug 6 19:43:48 PDT 2003
State-Changed-Why: 
Thanks for the patch.  I'll batch this up until some more patches or an
update rolls in.  This needs a PORTREVISION bump, and I don't want to force
users to rebuild Mozilla just for this.

http://www.freebsd.org/cgi/query-pr.cgi?pr=55330