isisd: fix metrics check for metric-style narrow

When switching to narrow metric style, all configured circuits are
verified to have a valid narrow style metric. Check te_metric instead
of metric_default as the latter is only 8bit wide and may overflow for
wide style metrics.

Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
1 file changed