sdl2-compat: updated after latest SDL3 changes.

SDL Commits
1 
From 85c12ced00b2a589d52afeeb919e94933ab48890 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 23 Oct 2023 20:28:24 +0300
Subject: [PATCH] updated after latest SDL3 changes.

---
 src/sdl2_compat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/sdl2_compat.c b/src/sdl2_compat.c
index 7e32949..4e555f9 100644
--- a/src/sdl2_compat.c
+++ b/src/sdl2_compat.c
@@ -1532,8 +1532,8 @@ EventFilter3to2(void *userdata, SDL_Event *event3)
 
         /* display events moved to the top level in SDL3. */
         case SDL_EVENT_DISPLAY_ORIENTATION:
-        case SDL_EVENT_DISPLAY_CONNECTED:
-        case SDL_EVENT_DISPLAY_DISCONNECTED:
+        case SDL_EVENT_DISPLAY_ADDED:
+        case SDL_EVENT_DISPLAY_REMOVED:
             if (SDL3_EventEnabled(SDL2_DISPLAYEVENT)) {
                 event2.display.type = SDL2_DISPLAYEVENT;
                 event2.display.timestamp = (Uint32) SDL_NS_TO_MS(event3->display.timestamp);