make sure the pipe writer always get terminated.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@35607 71c3de6d-444a-0410-be80-ed276b4c234a

remoting/src/main/java/hudson/remoting/Channel.java

@@ -967,10 +967,11 @@ public class Channel implements VirtualChannel, IChannel {
                     }
                 }
                 ois.close();
-                pipeWriter.shutdown();
             } catch (IOException e) {
                 logger.log(Level.SEVERE, "I/O error in channel "+name,e);
                 terminate(e);
+            } finally {
+                pipeWriter.shutdown();
             }
         }
     }