[MacPorts] #58526: gettext: update to 0.21

[MacPorts]

#58526: gettext: update to 0.21
----------------------+------------------------
  Reporter:  akimd    |      Owner:  ryandesign
      Type:  update   |     Status:  accepted
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:  haspatch
      Port:  gettext  |
----------------------+------------------------

Comment (by ryandesign):

 In [changeset:"67b09b7215e90fee0dbc9403b124d3eab6f91c92/macports-ports"
 67b09b7215e90fee0dbc9403b124d3eab6f91c92/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="67b09b7215e90fee0dbc9403b124d3eab6f91c92"
 xz-bootstrap: Remove nonessential features

 Don't link with gettext.
 Don't use libiconv.
 Don't create a static library.
 Don't create lzmautils compatibility programs and symlinks.
 Don't create the xzdec program.
 Don't create the scripts.
 Don't install documentation.
 Don't install manpages.

 See: https://trac.macports.org/ticket/58526
 }}}

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Ticket URL: <https://trac.macports.org/ticket/58526#comment:26>
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