fix the previous commit

src/http/ngx_http_copy_filter_module.c

diff --git a/src/http/ngx_http_copy_filter_module.c b/src/http/ngx_http_copy_filter_module.c
index 8f4002f..713f440 100644
--- a/src/http/ngx_http_copy_filter_module.c
+++ b/src/http/ngx_http_copy_filter_module.c
@@ -171,7 +171,7 @@
             c->busy_sendfile = NULL;
             e = (ngx_http_ephemeral_t *) &r->uri_start;
 
-            n = ngx_file_aio_read(file, e->aio_preload, 1, offset, r->pool);
+            n = ngx_file_aio_read(file, &e->aio_preload, 1, offset, r->pool);
 
             if (n > 0) {
                 continue;