style fix

src/core/ngx_queue.h

diff --git a/src/core/ngx_queue.h b/src/core/ngx_queue.h
index 39296ad..1407d85 100644
--- a/src/core/ngx_queue.h
+++ b/src/core/ngx_queue.h
@@ -22,7 +22,7 @@
 
 #define ngx_queue_init(q)                                                     \
     (q)->prev = q;                                                            \
-    (q)->next = q;
+    (q)->next = q
 
 
 #define ngx_queue_empty(h)                                                    \