Fixed tidy errors

src/libstd/io/net/mod.rs

@@ -43,7 +43,7 @@ fn from_rtio(ip: rtio::IpAddr) -> IpAddr {
 }
 
 fn with_addresses_io<A: ToSocketAddr, T>(
-    addr: A, 
+    addr: A,
     action: |&mut rtio::IoFactory, rtio::SocketAddr| -> Result<T, rtio::IoError>
 ) -> Result<T, IoError> {
     const DEFAULT_ERROR: IoError = IoError {

src/libstd/io/net/tcp.rs

@@ -313,8 +313,8 @@ pub struct TcpListener {
 }
 
 impl TcpListener {
-    /// Creates a new `TcpListener` which will be bound to the specified address. 
-    /// This listener is not ready for accepting connections, `listen` must be called 
+    /// Creates a new `TcpListener` which will be bound to the specified address.
+    /// This listener is not ready for accepting connections, `listen` must be called
     /// on it before that's possible.
     ///
     /// Binding with a port number of 0 will request that the OS assigns a port