[MacPorts] #64531: gzip step in destroot doesn't escape arguments

[MacPorts]

#64531: gzip step in destroot doesn't escape arguments
------------------------+--------------------
 Reporter:  mohd-akram  |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  base        |    Version:  2.7.1
 Keywords:              |       Port:
------------------------+--------------------
 Trying to port stdman and it fails:

 {{{
 DEBUG: system -W
 /opt/local/var/macports/build/_Users_mohamed_.ports_lang_stdman/stdman/work/destroot/opt/local/share/man:
 /usr/bin/gzip -d -f
 man3/std::chrono::operator<<(std::chrono::month_day_last).3.gz &&
 /usr/bin/gzip -9vnf
 man3/std::chrono::operator<<(std::chrono::month_day_last).3
 sh: -c: line 0: syntax error near unexpected token `('
 sh: -c: line 0: `/usr/bin/gzip -d -f
 man3/std::chrono::operator<<(std::chrono::month_day_last).3.gz &&
 /usr/bin/gzip -9vnf
 man3/std::chrono::operator<<(std::chrono::month_day_last).3'
 }}}

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Ticket URL: <https://trac.macports.org/ticket/64531>
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