Fix `cargo doc` on older rustc

Apparently at least rustc 1.48 doesn't support `Self` in doc links,
so we make it explicit.

diff --git a/lightning-background-processor/src/lib.rs b/lightning-background-processor/src/lib.rs
index e38a4a975b2a8ff4a9c750081c9d43166ffd21af..0fef55a95c2c5369408613cebfa574e9b8b95c05 100644 (file)
--- a/lightning-background-processor/src/lib.rs
+++ b/lightning-background-processor/src/lib.rs
@@ -154,7 +154,7 @@ impl BackgroundProcessor {
        /// functionality implemented by other handlers.
        /// * [`NetGraphMsgHandler`] if given will update the [`NetworkGraph`] based on payment failures.
        ///
-       /// [top-level documentation]: Self
+       /// [top-level documentation]: BackgroundProcessor
        /// [`join`]: Self::join
        /// [`stop`]: Self::stop
        /// [`ChannelManager`]: lightning::ln::channelmanager::ChannelManager