does this make the compiler happier?

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1314 71c3de6d-444a-0410-be80-ed276b4c234a

remoting/src/main/java/hudson/remoting/Request.java

@@ -58,7 +58,7 @@ abstract class Request<RSP extends Serializable,EXC extends Throwable> extends C
             wait(); // wait until the response arrives
 
         if(response.exception!=null)
-            throw response.exception;
+            throw (EXC)response.exception;
 
         return response.returnValue;
     }