Fix tidy

Author: oli-obk

src/test/ui/consts/const-prop-ice.rs

@@ -1,3 +1,3 @@
 fn main() {
     [0; 3][3u64 as usize]; //~ ERROR the len is 3 but the index is 3
-}
+}

src/test/ui/consts/const-prop-ice2.rs

@@ -2,4 +2,4 @@ fn main() {
     enum Enum { One=1 }
     let xs=[0;1 as usize];
     println!("{}", xs[Enum::One as usize]); //~ ERROR the len is 1 but the index is 1
-}
+}