From 3f3585d0f32e66ad5c8c6c713f315e14810230eb Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Mon, 9 Aug 2021 20:14:24 -0400
Subject: [PATCH] Fix missing include for flock(2)

On OpenBSD it's in <fcntl.h>, and it gets declared anyway on FreeBSD
and macOS. Curiously, on GNU/Linux, LOCK_* are defined, but flock(2)
isn't declared.
---
 ui.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ui.c b/ui.c
index 561db65..1adcafe 100644
--- a/ui.c
+++ b/ui.c
@@ -41,6 +41,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sysexits.h>
+#include <sys/file.h>
 #include <term.h>
 #include <termios.h>
 #include <time.h>