file2lastrev.rb: suppress_not_found
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61055 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
file2lastrev.rb: suppress_not_found
and if --suppress_not_found is given.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61055 b2dd03c8-39d4-4d8f-98ff-823fe69b080e