OSPF provider: quick ugly hack with various metrics

This does not really make sense. But I want this to run, fixes will
follow :-)

birdvisu/maps_new/providers.py

@@ -79,7 +79,8 @@ class OspfDataTopologyProvider(TopologyProvider):
 					net_id = re.match(r'((network|stubnet|external) [^ ]+)', n).group(1)
 					if net_id in self.network_renames:
 						net_id = self.network_renames[net_id]
-					metric = int(re.search(r'metric ([0-9]+)', n).group(1))
+					# FIXME: Hacking metric and metric2 together is a bad idea.
+					metric = int(re.search(r'metric2? ([0-9]+)', n).group(1))
 					ident = (r.ident, net_id)
 					# I really hope that one router has at most one link to each network (incl. external)
 					assert ident not in self.topology.links