Add/fix rustdoc links

src/row.rs

@@ -29,7 +29,7 @@ impl<'stmt> Rows<'stmt> {
     /// This interface is not compatible with Rust's `Iterator` trait, because
     /// the lifetime of the returned row is tied to the lifetime of `self`.
     /// This is a fallible "streaming iterator". For a more natural interface,
-    /// consider using `query_map` or `query_and_then` instead, which
+    /// consider using [`query_map`](crate::Statement::query_map) or [`query_and_then`](crate::Statement::query_and_then) instead, which
     /// return types that implement `Iterator`.
     #[allow(clippy::should_implement_trait)] // cannot implement Iterator
     #[inline]