sdl12-compat: Fixed infinite loop in SDL_FreeYUVOverlay()

From 683234e8708a081224942181710ca5dd3cee409e Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 17 Nov 2022 07:55:07 -0800
Subject: [PATCH] Fixed infinite loop in SDL_FreeYUVOverlay()

Fixes https://github.com/libsdl-org/sdl12-compat/issues/275
---
 src/SDL12_compat.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/SDL12_compat.c b/src/SDL12_compat.c
index 6964e2b7d..fb657a6ba 100644
--- a/src/SDL12_compat.c
+++ b/src/SDL12_compat.c
@@ -7535,6 +7535,7 @@ SDL_FreeYUVOverlay(SDL12_Overlay *overlay12)
             if (overlay->overlay12 == overlay12) {
                 overlay->overlay12 = NULL;  /* don't try to draw this later. */
             }
+            overlay = overlay->next;
         }
 
         if (renderer) {