fix 'Undefined variable "::rvm_version"'
fix 'Undefined variable "::rvm_version"'
skyscrapers/puppet-rvm,Adaptavist/puppet-rvm,Adaptavist/puppet-rvm,squarit/puppet-rvm,skyscrapers/puppet-rvm,squarit/puppet-rvm,maestrodev/puppet-rvm,maestrodev/puppet-rvm,srclab/puppet-rvm,srclab/puppet-rvm