SDL: update SDL_COMPOSE_ERROR macro for windows clang-cl

SDL Commits
1 
From 0ed17131288015c3fa050888ca1432655c629db7 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Thu, 4 Mar 2021 18:27:47 +0300
Subject: [PATCH] update SDL_COMPOSE_ERROR macro for windows clang-cl

from a patchset by Vladislav Dmitrievich Turbanov:
https://github.com/libsdl-org/SDL/pull/4062
---
 src/render/direct3d11/SDL_render_d3d11.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/render/direct3d11/SDL_render_d3d11.c b/src/render/direct3d11/SDL_render_d3d11.c
index 5138aa63e..b848dc32f 100644
--- a/src/render/direct3d11/SDL_render_d3d11.c
+++ b/src/render/direct3d11/SDL_render_d3d11.c
@@ -54,7 +54,7 @@ extern ISwapChainBackgroundPanelNative * WINRT_GlobalSwapChainBackgroundPanelNat
 #endif  /* __WINRT__ */
 
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && !defined(__clang__)
 #define SDL_COMPOSE_ERROR(str) __FUNCTION__ ", " str
 #else
 #define SDL_COMPOSE_ERROR(str) SDL_STRINGIFY_ARG(__FUNCTION__) ", " str