[MacPorts] #37260: i386-elf-gcc: Update to version 4.7.2

[MacPorts]

#37260: i386-elf-gcc: Update to version 4.7.2
----------------------+--------------------------
 Reporter:  raimue@…  |      Owner:  stepan@…
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.1.2
 Keywords:            |       Port:  i386-elf-gcc
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 The attached patch switches to the crossgcc port group and updates to gcc
 version 4.7.2.

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Ticket URL: <https://trac.macports.org/ticket/37260>
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