Fix version_spec.rb to work with tag builds on travis-ci
Fix version_spec.rb to work with tag builds on travis-ci

MSP-10654

rapid7/metasploit_data_models,farias-r7/metasploit_data_models,rapid7/metasploit_data_models,bcook-r7/metasploit_data_models,farias-r7/metasploit_data_models,bcook-r7/metasploit_data_models,farias-r7/metasploit_data_models,rapid7/metasploit_data_models,bcook-r7/metasploit_data_models