natPlainDatagramSocketImpl.cc (close): Set timeout to 0.

* java/net/natPlainDatagramSocketImpl.cc (close): Set timeout to 0.
        * java/net/natSocketImpl.cc (close): Likewise.

From-SVN: r52312

libjava/java/net/natPlainDatagramSocketImpl.cc

@@ -309,6 +309,7 @@ java::net::PlainDatagramSocketImpl::close ()
   // the return value.
   ::close (fnum);
   fnum = -1;
+  timeout = 0;
 }
 
 void

libjava/java/net/natPlainSocketImpl.cc

@@ -428,6 +428,7 @@ java::net::PlainSocketImpl::close()
     }
   // Safe place to reset the file pointer.
   fnum = -1;
+  timeout = 0;
 }
 
 // Write a byte to the socket.