SDL_net: Build with -Wno-unused-parameter

SDL Commits
1 
From e4818a4f082f1d2425fb116bdeb860b2d621d9c1 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Mon, 24 Nov 2025 00:06:02 +0100
Subject: [PATCH] Build with -Wno-unused-parameter

---
 cmake/PrivateSdlFunctions.cmake | 2 +-
 src/SDL_net.c                   | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/cmake/PrivateSdlFunctions.cmake b/cmake/PrivateSdlFunctions.cmake
index 0312faa..8d71ede 100644
--- a/cmake/PrivateSdlFunctions.cmake
+++ b/cmake/PrivateSdlFunctions.cmake
@@ -310,7 +310,7 @@ function(sdl_add_warning_options TARGET)
     if(MSVC)
         target_compile_options(${TARGET} PRIVATE /W2)
     else()
-        target_compile_options(${TARGET} PRIVATE -Wall -Wextra)
+        target_compile_options(${TARGET} PRIVATE -Wall -Wextra -Wno-unused-parameter)
     endif()
     if(ARGS_WARNING_AS_ERROR)
         if(MSVC)
diff --git a/src/SDL_net.c b/src/SDL_net.c
index 5a6a6a5..3665522 100644
--- a/src/SDL_net.c
+++ b/src/SDL_net.c
@@ -788,7 +788,6 @@ static void SDLCALL EnumerateNetAddrTable(void *userdata, SDL_PropertiesID props
 
 static void SDLCALL CleanupNetAddrTable(void *userdata, void *value)
 {
-    (void) userdata;
     NET_UnrefAddress((NET_Address *) value);
 }