rb: Set default host for benchmark to 127.0.0.1

MRI resolves localhost to ::1 (on OS X) whereas JRuby resolves it to 127.0.0.1. This means using
MRI for server and JRuby for client doesn't work.


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@669041 13f79535-47bb-0310-9956-ffa450edef68
1 file changed