Another typo in consts.rs

Author: Jaic1

compiler/rustc_middle/src/ty/consts.rs

@@ -307,7 +307,7 @@ impl<'tcx> Const<'tcx> {
                 Ok(c) => return Some(c),
                 Err(_) if lit_input.ty.has_aliases() => {
                     // allow the `ty` to be an alias type, though we cannot handle it here
-                    return None
+                    return None;
                 },
                 Err(e) => {
                     tcx.dcx().span_delayed_bug(