cda26a6b15
Fix missing link for "fully qualified syntax" This issue can currently be seen at https://doc.rust-lang.org/stable/std/rc/index.html#toggle-all-docs:~:text=%5B-,fully%20qualified%20syntax It originates from #76138, where the link was added to `library/alloc/src/sync.rs`, but not `library/alloc/src/rc.rs`.