ices/62524-2.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#62524

=== stdout ===
=== stderr ===
error: this file contains an un-closed delimiter
 --> /home/runner/work/glacier/glacier/ices/62524-2.rs:2:3
  |
1 | y![
  |   - un-closed delimiter
2 | Ϥ,
  |   ^

error: macros that expand to items must be delimited with braces or followed by a semicolon
 --> /home/runner/work/glacier/glacier/ices/62524-2.rs:1:3
  |
1 |   y![
  |  ___^
2 | | Ϥ,
  | |__^
  |
help: change the delimiters to curly braces
  |
1 | y!{
2 | Ϥ}
  |
help: add a semicolon
  |
2 | Ϥ,;
  |   ^

error: cannot find macro `y` in this scope
 --> /home/runner/work/glacier/glacier/ices/62524-2.rs:1:1
  |
1 | y![
  | ^

error: aborting due to 3 previous errors

==============