Enable SSE3 intrinsics when building with Visual Studio Fixes https://github.com/libsdl-org/SDL/issues/4530
diff --git a/include/SDL_cpuinfo.h b/include/SDL_cpuinfo.h
index 4401c37..aa3f4bb 100644
--- a/include/SDL_cpuinfo.h
+++ b/include/SDL_cpuinfo.h
@@ -63,6 +63,9 @@ _m_prefetch(void *__P)
#ifndef __SSE2__
#define __SSE2__
#endif
+#ifndef __SSE3__
+#define __SSE3__
+#endif
#elif defined(__MINGW64_VERSION_MAJOR)
#include <intrin.h>
#if !defined(SDL_DISABLE_ARM_NEON_H) && defined(__ARM_NEON)