Fix NLL tracking issue

Author: inquisitivecrystal

text/2094-nll.md

@@ -1,7 +1,7 @@
 - Feature Name: nll
 - Start Date: 2017-08-02
 - RFC PR: [rust-lang/rfcs#2094](https://github.com/rust-lang/rfcs/pull/2094)
-- Rust Issue: [rust-lang/rust#44928](https://github.com/rust-lang/rust/issues/44928)
+- Rust Issue: [rust-lang/rust#43234](https://github.com/rust-lang/rust/issues/43234)
 
 # Summary
 [summary]: #summary