MacOSX: correct build error (from 27ad4ded6848)
MacOSX: correct build error (from 27ad4ded6848)

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