natPlainSocketImpl.cc (bind): Bind to any/all network interfaces if host==NULL.

* java/net/natPlainSocketImpl.cc (bind): Bind to any/all network
        interfaces if host==NULL.
        (accept): Throw message with InterruptedIOException.
        (getOption): Cache localAddress.
        * java/net/natPlainDatagramSocketImpl.cc (bind): Don't need
        'address' for DatagramSocket.
        (setTimeToLive): Fix compiler warnings.
        (getOption): Cache localAddress.
        * java/net/Socket.java (getLocalAddress): Don't need local
        InetAddress object. Add FIXME comment about calling checkConnect().
        * java/net/ServerSocket.java (ServerSocket(int)): Initialize
        connection queue to 50 as per JDK 1.2 docs.
        (ServerSocket(int,int)): Listen on all network interfaces by
        default, per JDK 1.2 docs.
        * java/net/PlainDatagramSocketImpl.java: Don't need 'address'.
        Add localAddress caching.

From-SVN: r27559

libjava/java/net/Socket.java

@@ -129,10 +129,10 @@ public class Socket
 
   public InetAddress getLocalAddress ()
   {
-    InetAddress localAddress;
+    // FIXME: see note in DatagramSocket.java about checkConnect() and security
     try
       {
-	localAddress = (InetAddress)impl.getOption(SocketOptions.SO_BINDADDR);
+	return (InetAddress)impl.getOption(SocketOptions.SO_BINDADDR);
       }
     catch (SocketException x)
       {
@@ -140,7 +140,6 @@ public class Socket
 	System.err.println(x);
         throw new java.lang.InternalError("Error in PlainSocketImpl.getOption");
       }
-    return localAddress;
   }
 
   public int getPort ()