[rubygems/rubygems] Fix warning about ambiguous /
/
/path/to/rubygems/test/rubygems/test_gem_commands_exec_command.rb:745: warning: ambiguity between regexp and two divisions: wrap regexp in parentheses or add a space after `/' operator
https://github.com/rubygems/rubygems/commit/e6a538b5c8
[rubygems/rubygems] Fix warning about ambiguous
/
https://github.com/rubygems/rubygems/commit/e6a538b5c8