From 4532ff278096dce71f5726a8aff051f834855d54 Mon Sep 17 00:00:00 2001
From: Michael Dusan <michael.dusan@gmail.com>
Date: Tue, 15 Aug 2023 17:20:04 -0400
Subject: [PATCH] netbsd: std.c: fix pthread_rwlock_t

- make .owner field optional
---
 lib/std/c/netbsd.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/c/netbsd.zig b/lib/std/c/netbsd.zig
index 1986d4e9bc..2380314429 100644
--- a/lib/std/c/netbsd.zig
+++ b/lib/std/c/netbsd.zig
@@ -93,7 +93,7 @@ pub const pthread_rwlock_t = extern struct {
     wblocked_first: ?*u8 = null,
     wblocked_last: ?*u8 = null,
     nreaders: c_uint = 0,
-    owner: std.c.pthread_t = null,
+    owner: ?std.c.pthread_t = null,
     private: ?*anyopaque = null,
 };