Reverted to the last version for talk.java, since it will be processed in smalltalk.java

Author: m0ver

src/tinystruct/examples/talk.java

@@ -125,19 +125,19 @@ public void run() {
    * @throws IOException
    */
   public final String update(final String sessionId) throws ApplicationException, IOException {
-    Builder message = null;
+    Builder message;
     Queue<Builder> messages;
     synchronized (this.list) {
       messages = this.list.get(sessionId);
-      while(messages != null && (message = messages.poll()) == null) {
+      while((message = messages.poll()) == null) {
         try {
           this.list.wait(TIMEOUT);
         } catch (InterruptedException e) {
           throw new ApplicationException(e.getMessage(), e);
         }
       }
 
-      return message != null ? message.toString() : "";
+      return message.toString();
     }
   }