SDL_net: ci: bump actions/checkout and don't specify ninja version (8433c)

SDL Commits
1 
From 8433c4620d30b8c824cb6ef10229ec2fa6c19cad Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Sat, 14 Dec 2024 21:45:56 +0100
Subject: [PATCH] ci: bump actions/checkout and don't specify ninja version

(cherry picked from commit 51ad601e2d87e17cf713edb2b7750c9011ebb104)
---
 cmake/PrivateSdlFunctions.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/PrivateSdlFunctions.cmake b/cmake/PrivateSdlFunctions.cmake
index 398770b..02833ae 100644
--- a/cmake/PrivateSdlFunctions.cmake
+++ b/cmake/PrivateSdlFunctions.cmake
@@ -230,7 +230,7 @@ macro(sdl_check_linker_flag flag var)
 endmacro()
 
 function(sdl_target_link_options_no_undefined TARGET)
-    if(NOT MSVC)
+    if(NOT MSVC AND NOT CMAKE_SYSTEM_NAME MATCHES ".*OpenBSD.*")
         if(CMAKE_C_COMPILER_ID MATCHES "AppleClang")
             target_link_options(${TARGET} PRIVATE "-Wl,-undefined,error")
         else()