THRIFT-4113: export thrift::mem::TBufferTransport
Client: rs

This closes #1218
diff --git a/lib/rs/src/transport/mod.rs b/lib/rs/src/transport/mod.rs
index bbabd66..1c39f50 100644
--- a/lib/rs/src/transport/mod.rs
+++ b/lib/rs/src/transport/mod.rs
@@ -30,9 +30,9 @@
 mod passthru;
 mod socket;
 
-#[cfg(test)]
 pub mod mem;
 
+pub use self::mem::TBufferTransport;
 pub use self::buffered::{TBufferedTransport, TBufferedTransportFactory};
 pub use self::framed::{TFramedTransport, TFramedTransportFactory};
 pub use self::passthru::TPassThruTransport;