added extra logic to EMANE node to enable flow control in the virtual transport  if it is enabled in the MAC model (Boeing r1801)
added extra logic to EMANE node to enable flow control in the virtual transport
 if it is enabled in the MAC model
(Boeing r1801)

D3f0/coreemu,abn/coreemu,cudadog/coreemu,eiginn/coreemu,eiginn/coreemu,eiginn/coreemu,cudadog/coreemu,cudadog/coreemu,D3f0/coreemu,abn/coreemu,abn/coreemu,D3f0/coreemu