Update expectations of test ui/dropck/dropck_trait_cycle_checked.rs for Polonius

as its output was changed by 2ff337a#diff-bd3f80b956148a5d1567aa8698b8a507

Author: lqd

src/test/ui/dropck/dropck_trait_cycle_checked.polonius.stderr

@@ -8,7 +8,9 @@ LL | }
    | -
    | |
    | `o2` dropped here while still borrowed
-   | borrow might be used here, when `o2` is dropped and runs the destructor for type `std::boxed::Box<dyn Obj<'_>>`
+   | borrow might be used here, when `o1` is dropped and runs the destructor for type `std::boxed::Box<dyn Obj<'_>>`
+   |
+   = note: values in a scope are dropped in the opposite order they are defined
 
 error[E0597]: `o3` does not live long enough
   --> $DIR/dropck_trait_cycle_checked.rs:112:13
@@ -20,7 +22,9 @@ LL | }
    | -
    | |
    | `o3` dropped here while still borrowed
-   | borrow might be used here, when `o3` is dropped and runs the destructor for type `std::boxed::Box<dyn Obj<'_>>`
+   | borrow might be used here, when `o1` is dropped and runs the destructor for type `std::boxed::Box<dyn Obj<'_>>`
+   |
+   = note: values in a scope are dropped in the opposite order they are defined
 
 error[E0597]: `o2` does not live long enough
   --> $DIR/dropck_trait_cycle_checked.rs:113:13
@@ -38,7 +42,7 @@ error[E0597]: `o3` does not live long enough
   --> $DIR/dropck_trait_cycle_checked.rs:114:13
    |
 LL |     let (o1, o2, o3): (Box<dyn Obj>, Box<dyn Obj>, Box<dyn Obj>) = (O::new(), O::new(), O::new());
-   |                                                                                         -------- cast requires that `o3` is borrowed for `'static`
+   |                                                                               -------- cast requires that `o3` is borrowed for `'static`
 ...
 LL |     o2.set1(&o3);
    |             ^^^ borrowed value does not live long enough
@@ -62,7 +66,7 @@ error[E0597]: `o2` does not live long enough
   --> $DIR/dropck_trait_cycle_checked.rs:116:13
    |
 LL |     let (o1, o2, o3): (Box<dyn Obj>, Box<dyn Obj>, Box<dyn Obj>) = (O::new(), O::new(), O::new());
-   |                                                                               -------- cast requires that `o2` is borrowed for `'static`
+   |                                                                                         -------- cast requires that `o2` is borrowed for `'static`
 ...
 LL |     o3.set1(&o2);
    |             ^^^ borrowed value does not live long enough