SDL: SDL_cocoaopengl.h: ensure CVDisplayLinkRef is defined (e12c8)

From e12c831b15b40e405ef1bf75dad4377f2ab8012f Mon Sep 17 00:00:00 2001
From: Joshua Root <[EMAIL REDACTED]>
Date: Thu, 24 Nov 2022 06:32:49 +1100
Subject: [PATCH] SDL_cocoaopengl.h: ensure CVDisplayLinkRef is defined

The typedef seems to be pulled in coincidentally with newer SDKs, but
older ones need to import the header explicitly.

(cherry picked from commit d2910904fb4062c313636c7595e971f1bf248075)
---
 src/video/cocoa/SDL_cocoaopengl.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/video/cocoa/SDL_cocoaopengl.h b/src/video/cocoa/SDL_cocoaopengl.h
index 7b900dee63b0..fe8a8e51c134 100644
--- a/src/video/cocoa/SDL_cocoaopengl.h
+++ b/src/video/cocoa/SDL_cocoaopengl.h
@@ -27,6 +27,7 @@
 
 #include "SDL_atomic.h"
 #import <Cocoa/Cocoa.h>
+#import <QuartzCore/CVDisplayLink.h>
 
 /* We still support OpenGL as long as Apple offers it, deprecated or not, so disable deprecation warnings about it. */
 #ifdef __clang__