backport of duplicate packet fix
backport of duplicate packet fix

ninuxorg/olsrd,ninuxorg/olsrd,sauloqueiroz/incremental-spf,diogomg/olsrd,diogomg/olsrd-binary-heap,servalproject/olsr,cholin/olsrd,tdz/olsrd,tdz/olsrd,diogomg/olsrd,tdz/olsrd,acinonyx/olsrd,zioproto/olsrd,diogomg/olsrd-binary-heap,duydb2/olsr,nolith/olsrd,sebkur/olsrd,nolith/olsrd,zioproto/olsrd,duydb2/olsr,zioproto/olsrd-gsoc2012,nolith/olsrd,ninuxorg/olsrd,zioproto/olsrd-gsoc2012,diogomg/olsrd,tdz/olsrd,duydb2/olsr,duydb2/olsr,zioproto/olsrd-gsoc2012,acinonyx/olsrd,acinonyx/olsrd,sauloqueiroz/incremental-spf,duydb2/olsr,servalproject/olsr,diogomg/olsrd-binary-heap,ninuxorg/olsrd,diogomg/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,cholin/olsrd,diogomg/olsrd,diogomg/olsrd-binary-heap,sebkur/olsrd,servalproject/olsr,tdz/olsrd,duydb2/olsr,sebkur/olsrd,cholin/olsrd,sebkur/olsrd,nolith/olsrd,servalproject/olsr,zioproto/olsrd-gsoc2012,diogomg/olsrd,diogomg/olsrd-binary-heap,nolith/olsrd,zioproto/olsrd-gsoc2012,sebkur/olsrd,zioproto/olsrd-gsoc2012,duydb2/olsr,duydb2/olsr,zioproto/olsrd,sebkur/olsrd,zioproto/olsrd,acinonyx/olsrd,cholin/olsrd,ninuxorg/olsrd,cholin/olsrd,servalproject/olsr,zioproto/olsrd,diogomg/olsrd-binary-heap,sauloqueiroz/incremental-spf,acinonyx/olsrd,servalproject/olsr,sauloqueiroz/incremental-spf