[MacPorts] #47229: add modelines, use 755 for ports

[MacPorts]

#47229: add modelines, use 755 for ports
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  Reporter:  lists@…                             |      Owner:  ionic@…
      Type:  enhancement                         |     Status:  closed
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:  2.3.3
Resolution:  fixed                               |   Keywords:  haspatch
      Port:  mp3_check iozone nbench-byte        |
  cvsdiff2patch cursive geekcode ski vms-empire  |
  wtf thirdeye jikespg aget ddclient ipsvd       |
  mudix nsping rabbitmq-server tcptrace tnftpd   |
  ksh93 buffer dtach keychain chmdump rfcdiff    |
  webredirect abclock                            |
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Comment (by ionic@…):

 Revbumping was my suggestion to make the Portfiles and data on hard disk
 consistent. Yes, it's only cosmetic. Blame me. Sorry.

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Ticket URL: <https://trac.macports.org/ticket/47229#comment:4>
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