fs/epoll: fix visual studio Compiler Error C2059

D:\archer\code\nuttx\fs\vfs\fs_epoll.c(456,15): error C2059: syntax error : '{'

Compiler error C2059:
The token caused a syntax error.

Reference:
https://learn.microsoft.com/en-us/cpp/error-messages/compiler-errors-1/compiler-error-c2059?view=msvc-170

Signed-off-by: chao an <anchao@xiaomi.com>

Author: anchao

fs/vfs/fs_epoll.c

@@ -453,7 +453,7 @@ int epoll_ctl(int epfd, int op, int fd, FAR struct epoll_event *ev)
             eph->size += eph->size;
           }
 
-        epn = list_remove_head_type(&eph->free, epoll_node_t, node);
+        epn = container_of(list_remove_head(&eph->free), epoll_node_t, node);
         epn->data        = ev->data;
         epn->pfd.events  = ev->events;
         epn->pfd.fd      = fd;