rb: flush STDOUT after starting the benchmark server to properly kickstart the benchmark
git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@669030 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/rb/benchmark/server.rb b/lib/rb/benchmark/server.rb
index e26e406..5162ac2 100644
--- a/lib/rb/benchmark/server.rb
+++ b/lib/rb/benchmark/server.rb
@@ -53,6 +53,7 @@
# let our host know that the interpreter has started
# ideally we'd wait until the server was serving, but we don't have a hook for that
Marshal.dump(:started, STDOUT)
+STDOUT.flush
host, port, serverklass = ARGV