SDL: SDL_fillrect.c: updated SSE_BEGIN macro for windows clang-cl

SDL Commits
1 
From dd5aff308aa45bcd4dcf2df253c92faf084b7a9c Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Thu, 4 Mar 2021 18:27:56 +0300
Subject: [PATCH] SDL_fillrect.c: updated SSE_BEGIN macro for windows clang-cl

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

diff --git a/src/video/SDL_fillrect.c b/src/video/SDL_fillrect.c
index bf3199a57..6385e3ef8 100644
--- a/src/video/SDL_fillrect.c
+++ b/src/video/SDL_fillrect.c
@@ -28,7 +28,7 @@
 #ifdef __SSE__
 /* *INDENT-OFF* */
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && !defined(__clang__)
 #define SSE_BEGIN \
     __m128 c128; \
     c128.m128_u32[0] = color; \