[rubygems/rubygems] Add missing --prefer-local to Synopsis in bundle-install.1.ronn
https://github.com/rubygems/rubygems/commit/e956c5bbe4
[rubygems/rubygems] Add missing --prefer-local to Synopsis in bundle-install.1.ronn
https://github.com/rubygems/rubygems/commit/e956c5bbe4