SDL: testmessage: quit if we get a mouse click

SDL Commits
1 
From 64df9cfa47bab9f7a1529df26285d338b54dac9a Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 15 Dec 2025 08:55:22 -0800
Subject: [PATCH] testmessage: quit if we get a mouse click

---
 test/testmessage.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/testmessage.c b/test/testmessage.c
index 272484215ac56..f52152926b2a6 100644
--- a/test/testmessage.c
+++ b/test/testmessage.c
@@ -358,7 +358,9 @@ int main(int argc, char *argv[])
         }
 
         while (SDL_WaitEvent(&event)) {
-            if (event.type == SDL_EVENT_QUIT || event.type == SDL_EVENT_KEY_UP) {
+            if (event.type == SDL_EVENT_QUIT ||
+                event.type == SDL_EVENT_KEY_UP ||
+                event.type == SDL_EVENT_MOUSE_BUTTON_UP) {
                 break;
             }
         }