ospfd: justify ospf_default_originate_timer()
The function is implemented in ospf_lsa.c, move its "extern" declaration
to ospf_lsa.h for consistency.
diff --git a/ospfd/ospf_lsa.h b/ospfd/ospf_lsa.h
index e51f7e8..6b2ba22 100644
--- a/ospfd/ospf_lsa.h
+++ b/ospfd/ospf_lsa.h
@@ -280,6 +280,7 @@
extern struct ospf_lsa *ospf_external_lsa_originate (struct ospf *, struct external_info *);
extern int ospf_external_lsa_originate_timer (struct thread *);
+extern int ospf_default_originate_timer (struct thread *);
extern struct ospf_lsa *ospf_lsa_lookup (struct ospf_area *, u_int32_t,
struct in_addr, struct in_addr);
extern struct ospf_lsa *ospf_lsa_lookup_by_id (struct ospf_area *,