Sdl12-compat: fix storage type of VideoGLContext20

From 4a84f3b83a83b870e274275a19a6da74aa054ba9 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 20 Feb 2021 05:01:10 +0300
Subject: [PATCH] fix storage type of VideoGLContext20.

---
 src/SDL12_compat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SDL12_compat.c b/src/SDL12_compat.c
index 1b6d4f5..5b1513d 100644
--- a/src/SDL12_compat.c
+++ b/src/SDL12_compat.c
@@ -741,7 +741,7 @@ static SDL12_Surface *VideoSurface12 = NULL;
 static Uint32 VideoSurfacePresentTicks = 0;
 static Uint32 VideoSurfaceLastPresentTicks = 0;
 static SDL_Surface *VideoConvertSurface20 = NULL;
-static SDL_GLContext *VideoGLContext20 = NULL;
+static SDL_GLContext VideoGLContext20 = NULL;
 static char *WindowTitle = NULL;
 static char *WindowIconTitle = NULL;
 static SDL_Surface *VideoIcon20 = NULL;