SDL_image: Added patch note for CMake support

From 645d8ed53dc06ae834fc8c787e3fdbae8f6213ab Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 7 Jul 2022 07:44:00 -0700
Subject: [PATCH] Added patch note for CMake support

---
 CHANGES.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGES.txt b/CHANGES.txt
index 06140332..0719b26a 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 2.6.0:
+ * Added support for building with CMake
  * Added stb_image as the default backend for JPG and PNG images loading.
    To use libpng and libjpg instead, configure using --disable-stb-image
  * Added IMG_LoadSizedSVG_RW()