Implement FOR_ALL_NEIGHBOURS.
Implement FOR_ALL_NEIGHBOURS.

dtaht/babeld-shortrtt-metrics,sudomesh/babeld,jech/babeld,wlanslovenija/babeld,boutier/babeld,Drooids/babeld,woniullb/babeld,tcatm/babeld,jech/babeld,Gwendocg/babeldToS,Gwendocg/babeldToS,wlanslovenija/babeld