Rollup merge of #156783 - MingweiSamuel:patch-2, r=jhpratt

docs: make `Rc::into_raw` clickable in `Rc::increment_strong_count` doc

adds doc link

Author: jhpratt

library/alloc/src/rc.rs

@@ -1541,14 +1541,12 @@ impl<T: ?Sized> Rc<T> {
     ///
     /// # Safety
     ///
-    /// The pointer must have been obtained through `Rc::into_raw` and must satisfy the
-    /// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
+    /// The pointer must have been obtained through [`Rc::into_raw`] and must satisfy the
+    /// same layout requirements specified in [`Rc::from_raw_in`].
     /// The associated `Rc` instance must be valid (i.e. the strong count must be at
     /// least 1) for the duration of this method, and `ptr` must point to a block of memory
     /// allocated by the global allocator.
     ///
-    /// [from_raw_in]: Rc::from_raw_in
-    ///
     /// # Examples
     ///
     /// ```