f - make forward_htlcs only public in tests

Author: ViktorTigerstrom

lightning/src/ln/channelmanager.rs

@@ -722,7 +722,10 @@ pub struct ChannelManager<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref,
 	///
 	/// Note that no consistency guarantees are made about the existence of a channel with the
 	/// `short_channel_id` here, nor the `short_channel_id` in the `PendingHTLCInfo`!
+	#[cfg(any(test, feature = "_test_utils"))]
 	pub(super) forward_htlcs: Mutex<HashMap<u64, Vec<HTLCForwardInfo>>>,
+	#[cfg(not(any(test, feature = "_test_utils")))]
+	forward_htlcs: Mutex<HashMap<u64, Vec<HTLCForwardInfo>>>,
 
 	/// The set of outbound SCID aliases across all our channels, including unconfirmed channels
 	/// and some closed channels which reached a usable state prior to being closed. This is used