[MacPorts] #55242: gnupg2 @2.2.1 does not build on PPC Tiger, Mac OS X 10.4.11, because it assumes that unsetenv() returns an int

[MacPorts]

#55242: gnupg2 @2.2.1 does not build on PPC Tiger, Mac OS X 10.4.11, because it
assumes that unsetenv() returns an int
------------------------+-------------------
  Reporter:  ballapete  |      Owner:
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.2
Resolution:             |   Keywords:  tiger
      Port:  gnupg2     |
------------------------+-------------------

Comment (by Ionic):

 I'll try to fix this another way tomorrow. Can you provide me with the
 content of `/usr/include/stdlib.h`?

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Ticket URL: <https://trac.macports.org/ticket/55242#comment:1>
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