Fix bug of not terminating broadcast -- affects EmailEngine only

src/main/java/altk/comm/engine/Broadcast.java

@@ -350,7 +350,7 @@ public abstract class Broadcast
                 			continue;
                 		}
                 	}
-                	updateServiceActivityCount(batchSize);
+                	updateServiceActivityCount(batch.size());
                 }
 
                 // Process jobs.