message: Fix typo in field name in networking metrics
diff: @@ -7,7 +7,7 @@ pub(crate) struct NetworkingMetrics {
  /// How often a request to send a message directly to a peer was made.
  pub(crate) direct_message_requests: IntCounter,
  /// Current number of open connections.
  - pub(crate) open_connnections: IntGauge,
  + pub(crate) open_connections: IntGauge,
  /// Number of messages still waiting to be broadcast.
  pub(crate) queued_broadcast_messages: IntGauge,
  /// Number of messages still waiting to be sent out.
  @@ -48,7 +48,7 @@ impl NetworkingMetrics {
  Ok(NetworkingMetrics {
  broadcast_requests,
  direct_message_requests,
  - open_connnections,
  + open_connections: open_connnections,
  queued_broadcast_messages,
  queued_direct_messages,
  registry: registry.clone(),
  @@ -65,7 +65,7 @@ impl Drop for NetworkingMetrics {
  .unregister(Box::new(self.direct_message_requests.clone()))
  .expect("did not expect deregistering direct_message_requests to fail");
  self.registry
  - .unregister(Box::new(self.open_connnections.clone()))
  + .unregister(Box::new(self.open_connections.clone()))
  .expect("did not expect deregistering open_connnections to fail");
  self.registry
  .unregister(Box::new(self.queued_broadcast_messages.clone()))
  