SDL: cmake: fix typo's in last commit

SDL Commits
1 
From ecd36c8f07b19421cb24b5f50be9ba4a3b3bd588 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Fri, 25 Nov 2022 04:31:25 +0100
Subject: [PATCH] cmake: fix typo's in last commit

---
 CMakeLists.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d88a2bf4ab63..ddea68e500ad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -203,9 +203,9 @@ elseif(NINTENDO_3DS)
   set(N3DS TRUE)
 endif()
 
-set(SDL_EXTRA_CHECK_INCLUDES "" CACHE STRING "Extra includes (for CMAKE_REQUIRED_INCLUDES)")
-set(SDL_EXTRA_CHECK_LINK_OPTIONS "" CACHE STRING "Extra link options (for CMAKE_REQUIRED_LINK_OPTIONS)")
-mark_as_advanced(SDL_EXTRA_CHECK_INCLUDES SDL_EXTRA_CHECK_LINK_OPTIONS)
+set(SDL_CHECK_REQUIRED_INCLUDES "" CACHE STRING "Extra includes (for CMAKE_REQUIRED_INCLUDES)")
+set(SDL_CHECK_REQUIRED_LINK_OPTIONS "" CACHE STRING "Extra link options (for CMAKE_REQUIRED_LINK_OPTIONS)")
+mark_as_advanced(SDL_CHECK_REQUIRED_INCLUDES SDL_CHECK_REQUIRED_LINK_OPTIONS)
 
 list(APPEND CMAKE_REQUIRED_INCLUDES ${SDL_CHECK_REQUIRED_INCLUDES})
 list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${SDL_CHECK_REQUIRED_LINK_OPTIONS})