[MacPorts] #46135: sympa: fix startup item

[MacPorts]

#46135: sympa: fix startup item
--------------------------+--------------------------------
 Reporter:  ryandesign@…  |      Owner:  macports-tickets@…
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:
 Keywords:                |       Port:  sympa
--------------------------+--------------------------------
 The sympa port includes these lines:

 {{{
 startupitem.create    yes
 startupitem.start    "${prefix}/share/${name}/sympa"
 startupitem.stop     "${prefix}/share/${name}/sympa"
 }}}

 This has been there since the port was added in r17339 but does not work
 anymore.
 The port does not install a file at the path ${prefix}/share/${name}/sympa

 It's highly strange that the same script with the same (i.e. no) arguments
 would be used to both start and stop the server. I wonder if this ever
 worked.

 If possible, it is preferable to use `startupitem.executable` instead of
 `startupitem.start` and `startupitem.stop`.

-- 
Ticket URL: <https://trac.macports.org/ticket/46135>
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