[c-nsp] 12.4(24)T is out with support for 4B ASNs

[Łukasz Bromirski]

As there were numerous discussions on the list, there's 12.4(24)T
already on CCO which supports 4B ASNs (asdot only) on access boxes:

http://www.cisco.com/en/US/docs/ios/12_4t/release/notes/124TNEWF.html#wp2184610

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"Don't expect me to cry for all the     |               Łukasz Bromirski
  reasons you had to die" -- Kurt Cobain |    http://lukasz.bromirski.net