use list_head_init instead of open-coding it

While we cannot use LIST_HEAD since r63312, we can at
least use list_head_init to make our code more readable.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63314 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/thread.c b/thread.c
index 7ca6625d7c..70338bff38 100644
--- a/thread.c
+++ b/thread.c
@@ -2289,8 +2289,8 @@ void
 rb_thread_fd_close(int fd)
 {
     struct list_head busy;
-    busy.n.next = busy.n.prev = &busy.n;
 
+    list_head_init(&busy);
     if (rb_notify_fd_close(fd, &busy)) {
 	do rb_thread_schedule(); while (!list_empty(&busy));
     }