Merge pull request #2881 from Blub/2019-02-25/lxc-attach-move_fd

attach: use move_fd in lxc_proc_close_ns_fd

src/lxc/attach.c

@@ -126,7 +126,7 @@ static struct lxc_proc_context_info *lxc_proc_get_context_info(pid_t pid)
 static inline void lxc_proc_close_ns_fd(struct lxc_proc_context_info *ctx)
 {
 	for (int i = 0; i < LXC_NS_MAX; i++) {
-		__do_close_prot_errno int fd = ctx->ns_fd[i];
+		__do_close_prot_errno int fd = move_fd(ctx->ns_fd[i]);
 	}
 }