SDL: haiku: cast pointer to SDL_FunctionPointer

SDL Commits
1 
From fc72ee5775f8eea7be7a88378c1f06e37e277211 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Sat, 14 Jan 2023 15:25:22 +0100
Subject: [PATCH] haiku: cast pointer to SDL_FunctionPointer

---
 src/video/haiku/SDL_bopengl.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/haiku/SDL_bopengl.cc b/src/video/haiku/SDL_bopengl.cc
index b3e383eead34..8d72833bbc90 100644
--- a/src/video/haiku/SDL_bopengl.cc
+++ b/src/video/haiku/SDL_bopengl.cc
@@ -72,7 +72,7 @@ SDL_FunctionPointer HAIKU_GL_GetProcAddress(_THIS, const char *proc)
             get_image_symbol((image_id) (addr_t) _this->gl_config.dll_handle,
                               proc, B_SYMBOL_TYPE_ANY,
                               &location)) == B_OK) {
-            return location;
+            return (SDL_FunctionPointer)location;
         } else {
                 SDL_SetError("Couldn't find OpenGL symbol");
                 return NULL;