src/tremashark/queue.h in trema-0.2.5 vs src/tremashark/queue.h in trema-0.2.6

@@ -34,10 +34,10 @@
 
 typedef struct queue {
   queue_element *head;
   queue_element *divider;
   queue_element *tail;
-  int length;
+  volatile int length;
 } queue;
 
 
 queue *create_queue( void );
 bool delete_queue( queue *queue );