SDL_image: test: Install rgbrgb.ini as a resource file, too

SDL Commits
1 
From cc236e22c9f6bce430f751b52f7634f49c069869 Mon Sep 17 00:00:00 2001
From: Simon McVittie <[EMAIL REDACTED]>
Date: Sat, 17 Jan 2026 00:58:16 +0000
Subject: [PATCH] test: Install rgbrgb.ini as a resource file, too

Otherwise the corresponding test will fail when run "as-installed", for
example in Debian's autopkgtest framework.

Signed-off-by: Simon McVittie <smcv@collabora.com>
---
 test/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 4c389283..7262e100 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -7,6 +7,7 @@ set(CMAKE_POSITION_INDEPENDENT_CODE OFF)
 set(RESOURCE_FILES
     palette.bmp
     palette.gif
+    rgbrgb.ani
     rgbrgb.avifs
     rgbrgb.gif
     rgbrgb.png