sdl2-compat: cmake: tweak SDL2COMPAT_LIBC description

From 14f0d31d9442cc31a802fb38d522742574d50a59 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Fri, 30 Jan 2026 01:40:50 +0300
Subject: [PATCH] cmake: tweak SDL2COMPAT_LIBC description

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fc5e9a9d..694f6c63 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,7 +88,7 @@ option(SDL2COMPAT_ASAN "Use AddressSanitizer to detect memory errors" OFF)
 option(SDL2COMPAT_STATIC "Enable building static SDL2 link library" OFF)
 option(SDL2COMPAT_WERROR "Treat warnings as errors" OFF)
 option(SDL2COMPAT_X11 "Enable X11 support" ON)
-option(SDL2COMPAT_LIBC "Use the system C library" OFF)
+option(SDL2COMPAT_LIBC "Use the system C library (Windows)" OFF)
 set(SDL2COMPAT_VENDOR_INFO "" CACHE STRING "Vendor name and/or version to add to SDL_REVISION")
 set(SDL2COMPAT_FRAMEWORK FALSE)
 #FIXME: should SDL2-compat modify vendor_info/revision information?