SDL_net: cmake: Patched to compile on macOS.

SDL Commits
1 
From 69f7507d71357506642822bd1fce9da7a8048b86 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Sun, 24 Sep 2023 11:00:20 -0400
Subject: [PATCH] cmake: Patched to compile on macOS.

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1fe0015..b7267c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@ if(UNIX AND NOT APPLE)
     set_property(TARGET SDL3_net PROPERTY SOVERSION ${PROJECT_VERSION_MAJOR})
     set_property(TARGET SDL3_net PROPERTY VERSION ${PROJECT_VERSION})
 endif()
-if(NOT MSVC)
+if(NOT MSVC AND NOT APPLE)
     target_link_options(SDL3_net PRIVATE -Wl,--no-undefined)
 endif()