[oe] [meta-ruby][PATCH] bundler: Fix QA new Error

[Khem Raj]

> On Apr 9, 2015, at 5:02 PM, Armin Kuster <akuster808 at gmail.com> wrote:
> 
> +FILES_${PN} += "${libdir}/ruby/gems/2.2.0"

2.2.0 could we use something else so we don’t have to revisit it when git recipe moves to say 2.3.0