[MacPorts] #33972: gtk3: update to 3.4.x

[MacPorts]

#33972: gtk3: update to 3.4.x
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 Reporter:  ryandesign@…             |       Owner:  macports-tickets@…                   
     Type:  update                   |      Status:  new                                  
 Priority:  Normal                   |   Milestone:                                       
Component:  ports                    |     Version:                                       
 Keywords:                           |        Port:  gtk3                                 
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Comment(by suv-sf@…):

 Replying to [comment:1 suv-sf@…]:
 > Latest stable gtk3 (3.4.1) requires at least upgrades of pango and gdk-
 pixbuf:

 ''Correction:'' Latest stable gtk3 (3.4.1) requires at least upgrades of
 pango and '''gdk-pixbuf2'''

 > Requested 'gdk-pixbuf-2.0 >= 2.26.0' but version of GdkPixbuf is 2.24.1

 ''Note:'' Mentioned GdkPixbuf 2.24.1 is from a local repo (MacPorts
 version is still @2.24.0)

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Ticket URL: <https://trac.macports.org/ticket/33972#comment:2>
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