Ref: https://bugs.ruby-lang.org/issues/20205
This patch will suppress the "literal string will be frozen in the
future" warning on the 2.4 branch.
Steps to reproduce
---
Run the following commands with ruby 3.4.0preview1:
```console
$ cd /tmp
$ git clone git@github.com:rubyzip/rubyzip.git
$ cd rubyzip
$ git switch 2.4
$ bundle install
$ ruby -I lib -W:deprecated -e '
require "zip"
Zip::File.open("test/data/ntfs.zip") do |zip_file|
zip_file.each do |entry|
puts entry.get_input_stream.read
end
end
'
```
Expected result
---
```console
ntfs test
```
Actual result
---
```console
/private/tmp/rubyzip/lib/zip/extra_field/ntfs.rb:54: warning: literal string will be frozen in the future
ntfs test
```
Environment
---
```console
$ ruby -v
ruby 3.4.0preview1 (2024-05-16 master 9d69619623) [x86_64-darwin23]
```
Tsutomu Katsube
Robert Haines
Pavel Lobashov
Pavel.Lobashov
Henry Yang