[MacPorts] #41730: easytag update to @2.1.8

[MacPorts]

#41730: easytag update to @2.1.8
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 Reporter:  nigels.com@…  |      Owner:  macports-tickets@…
     Type:  update        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.2.1
 Keywords:                |       Port:  easytag
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 I had success updating the easytag Portfile for 2.1.8 (2013-02-10)
 https://projects.gnome.org/easytag/

 I'm on Lion 10.7.5 and XCode 4.6.3, I guess newer setups should be tested!

 There are some changes here for 2.1.8 (aside from looking at the diff)
 - tar.gz -> tar.xz
 - sourceforge -> gnome.org hosted source tarball
 - Need to add -Wno-format-nonliteral flag to build

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Ticket URL: <https://trac.macports.org/ticket/41730>
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