agent: don't force owning send data

Especially in the UDP case, this is not necessary.

Author: ystreet

stun-proto/src/agent.rs

@@ -415,7 +415,7 @@ fn send_data(
     bytes: &[u8],
     from: SocketAddr,
     to: SocketAddr,
-) -> Transmit<'static> {
+) -> Transmit {
     match transport {
         TransportType::Udp => Transmit::new(bytes, transport, from, to),
         TransportType::Tcp => {
@@ -426,7 +426,6 @@ fn send_data(
             Transmit::new_owned(data.into_boxed_slice(), transport, from, to)
         }
     }
-    .into_owned()
 }
 
 #[derive(Debug)]
@@ -718,7 +717,7 @@ impl StunRequestState {
             return StunRequestPollRet::Cancelled;
         }
         self.last_send_time = Some(now);
-        StunRequestPollRet::SendData(send_data(self.transport, &self.bytes, self.from, self.to))
+        StunRequestPollRet::SendData(send_data(self.transport, &self.bytes, self.from, self.to).into_owned())
     }
 }