/usr/share/ is in redmine-plugin-recaptcha 0.1.0+git20121018-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/redmine/
/usr/share/redmine/plugins/
/usr/share/redmine/plugins/redmine_recaptcha/
/usr/share/redmine/plugins/redmine_recaptcha/lib/
/usr/share/redmine/plugins/redmine_recaptcha/lib/account_controller_patch.rb
/usr/share/redmine/plugins/redmine_recaptcha/lib/client_helper_patch.rb
/usr/share/redmine/plugins/redmine_recaptcha/init.rb
/usr/share/redmine/plugins/redmine_recaptcha/app/
/usr/share/redmine/plugins/redmine_recaptcha/app/views/
/usr/share/redmine/plugins/redmine_recaptcha/app/views/settings/
/usr/share/redmine/plugins/redmine_recaptcha/app/views/settings/_redmine_recaptcha.html.erb
/usr/share/redmine/plugins/redmine_recaptcha/app/views/account/
/usr/share/redmine/plugins/redmine_recaptcha/app/views/account/register.html.erb
/usr/share/doc/
/usr/share/doc/redmine-plugin-recaptcha/
/usr/share/doc/redmine-plugin-recaptcha/README.md
/usr/share/doc/redmine-plugin-recaptcha/copyright
/usr/share/doc/redmine-plugin-recaptcha/changelog.Debian.gz