SDL_image: Added some additional SDL_image 2.0 migration information

From 3ccd1b031595f286485ee46340eb00fea6f63fe6 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 1 Feb 2025 08:53:55 -0800
Subject: [PATCH] Added some additional SDL_image 2.0 migration information

---
 docs/README-migration.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/README-migration.md b/docs/README-migration.md
index 56b690c1b..94324dc89 100644
--- a/docs/README-migration.md
+++ b/docs/README-migration.md
@@ -4,3 +4,7 @@
 This guide provides useful information for migrating applications from SDL_image 2.0 to SDL_image 3.0.
 
 IMG_Init() and IMG_Quit() are no longer necessary. If an image format requires dynamically loading a support library, that will be done automatically.
+
+The functions named \*_RW() that previously took an SDL_RWops parameter have been renamed \*_IO() and take an SDL_IOStream parameter.
+
+IMG_Linked_Version() has been replaced with IMG_Version().