remove unneeded return value
remove unneeded return value

duydb2/olsr,diogomg/olsrd,brabander/olsr,tdz/olsrd,zioproto/olsrd,servalproject/olsr,cholin/olsrd,sebkur/olsrd,duydb2/olsr,ninuxorg/olsrd,brabander/olsr,acinonyx/olsrd,acinonyx/olsrd,duydb2/olsr,duydb2/olsr,cholin/olsrd,acinonyx/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,ninuxorg/olsrd,acinonyx/olsrd,ninuxorg/olsrd,brabander/olsr,sebkur/olsrd,ninuxorg/olsrd,cholin/olsrd,diogomg/olsrd-binary-heap,acinonyx/olsrd,diogomg/olsrd-binary-heap,servalproject/olsr,sebkur/olsrd,servalproject/olsr,tdz/olsrd,tdz/olsrd,sebkur/olsrd,cholin/olsrd,nolith/olsrd,zioproto/olsrd,diogomg/olsrd-binary-heap,tdz/olsrd,cholin/olsrd,zioproto/olsrd,nolith/olsrd,diogomg/olsrd,diogomg/olsrd,servalproject/olsr,sebkur/olsrd,diogomg/olsrd,brabander/olsr,duydb2/olsr,ninuxorg/olsrd,nolith/olsrd,duydb2/olsr,diogomg/olsrd-binary-heap,sebkur/olsrd,duydb2/olsr,servalproject/olsr,zioproto/olsrd,servalproject/olsr,diogomg/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,duydb2/olsr,zioproto/olsrd,nolith/olsrd,tdz/olsrd,diogomg/olsrd-binary-heap,nolith/olsrd