[NETROM]: Make lists and locks static since they are only used in one file.

net/netrom/af_netrom.c

@@ -57,8 +57,8 @@ int sysctl_netrom_link_fails_count                = NR_DEFAULT_FAILS;
 
 static unsigned short circuit = 0x101;
 
-HLIST_HEAD(nr_list);
-static spinlock_t nr_list_lock;
+static HLIST_HEAD(nr_list);
+static spinlock_t nr_list_lock = SPIN_LOCK_UNLOCKED;
 
 static struct proto_ops nr_proto_ops;
 

net/netrom/nr_route.c

@@ -39,10 +39,10 @@
 
 static unsigned int nr_neigh_no = 1;
 
-HLIST_HEAD(nr_node_list);
-spinlock_t nr_node_list_lock = SPIN_LOCK_UNLOCKED;
-HLIST_HEAD(nr_neigh_list);
-spinlock_t nr_neigh_list_lock = SPIN_LOCK_UNLOCKED;
+static HLIST_HEAD(nr_node_list);
+static spinlock_t nr_node_list_lock = SPIN_LOCK_UNLOCKED;
+static HLIST_HEAD(nr_neigh_list);
+static spinlock_t nr_neigh_list_lock = SPIN_LOCK_UNLOCKED;
 
 struct nr_node *nr_node_get(ax25_address *callsign)
 {