[MacPorts] #31203: Updated ports for xfce 4.8

[MacPorts]

#31203: Updated ports for xfce 4.8
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 Reporter:  ak.ml@…            |       Owner:  afb@…                                                                                                                                                                                                     
     Type:  update             |      Status:  assigned                                                                                                                                                                                                  
 Priority:  Normal             |   Milestone:                                                                                                                                                                                                            
Component:  ports              |     Version:  2.0.3                                                                                                                                                                                                     
 Keywords:  xfce, haspatch     |        Port:  exo, garcon, gtk-xfce-engine, libxfce4ui, libxfce4util, libxfcegui4, orage, ristretto, Terminal, Thunar, xfce-utils, xfce4-appfinder, xfce4-panel, xfce4-session, xfce4-settings, xfconf, xfdesktop, xfwm4
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Comment(by ak.ml@…):

 I wasn't aware of that when I updated the Portfiles in the first place.
 However I still can't tell the difference between {{{GPL-2}}} and
 {{{GPL-2+}}}

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Ticket URL: <https://trac.macports.org/ticket/31203#comment:5>
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