An enter as last character pleases tidy it seems

Author: DutchGhost

src/libcore/tests/mem.rs

@@ -146,4 +146,4 @@ fn test_const_forget() {
 
     const _: () = test_const_forget(0i32);
     const _: () = test_const_forget(Vec::<Vec<Box<i32>>>::new());
-}
+}