Updating .stderr

Author: kper

src/test/ui/macros/issue-86865.stderr

@@ -2,13 +2,17 @@ error: format argument must be a string literal
   --> $DIR/issue-86865.rs:4:14
    |
 LL |     println!(b"foo");
-   |              ^^^^^^ help: consider removing the leading `b`
+   |              -^^^^^
+   |              |
+   |              help: consider removing the leading `b`
 
 error: format argument must be a string literal
   --> $DIR/issue-86865.rs:8:15
    |
 LL |     write!(s, b"foo{}", "bar");
-   |               ^^^^^^^^ help: consider removing the leading `b`
+   |               -^^^^^^^
+   |               |
+   |               help: consider removing the leading `b`
 
 error: aborting due to 2 previous errors