SDL: Sync wiki -> header (5e3f4)

From 5e3f4ccc3488d730e2ebca00025e9b264e1f8629 Mon Sep 17 00:00:00 2001
From: SDL Wiki Bot <[EMAIL REDACTED]>
Date: Mon, 10 Jan 2022 20:35:04 +0000
Subject: [PATCH] Sync wiki -> header

---
 include/SDL_render.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/SDL_render.h b/include/SDL_render.h
index 032e4fa8be9..e9b7af25995 100644
--- a/include/SDL_render.h
+++ b/include/SDL_render.h
@@ -1641,6 +1641,9 @@ extern DECLSPEC int SDLCALL SDL_RenderGeometry(SDL_Renderer *renderer,
  * \return 0 on success, or -1 if the operation is not supported
  *
  * \since This function is available since SDL 2.0.18.
+ *
+ * \sa SDL_RenderGeometry
+ * \sa SDL_Vertex
  */
 extern DECLSPEC int SDLCALL SDL_RenderGeometryRaw(SDL_Renderer *renderer,
                                                SDL_Texture *texture,