[MacPorts] #33738: Update kdiff3 to 0.9.96

[MacPorts]

#33738: Update kdiff3 to 0.9.96
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 Reporter:  william@…           |       Owner:  macports-tickets@…                   
     Type:  update              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  2.0.4                                
 Keywords:                      |        Port:  kdiff3                               
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 Attached patches update kdiff3 to latest version.

 I've moved to use the Qt version (rather than the KDE version) as the
 default variant. If anybody really needs the kde version I can have a go
 at getting that working too. See the commented-out section in the
 portfile.

 I believe this allows tickets 19524 and 33053 to be closed.

 I attach two versions of the portfile patch - one has the unfinished work
 to build the kde4 variant, the other has no variants and simply always
 builds the qt4 version (and is thus simpler and cleaner, as well as being
 finished).

 The patch to kdiff3.pro is required in order to:
 (a) allow the portfile to specify the installation path
 (b) prevent the kdiff3 executable from being pointlessly wrapped in an app
 bundle.

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Ticket URL: <https://trac.macports.org/ticket/33738>
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