Backed out commit 4de94185790e, this causes Visual Studio build failure on buildbot
diff --git a/src/stdlib/SDL_stdlib.c b/src/stdlib/SDL_stdlib.c
index 85872e2..f11f65d 100644
--- a/src/stdlib/SDL_stdlib.c
+++ b/src/stdlib/SDL_stdlib.c
@@ -275,11 +275,8 @@
 
 #ifndef __FLTUSED__
 #define __FLTUSED__
-/* the multithreaded runtime already includes libcmt.lib - and this symbol is in there. */
-#ifndef _MT
 __declspec(selectany) int _fltused = 1;
 #endif
-#endif
 
 /* The optimizer on Visual Studio 2005 and later generates memcpy() calls */
 #if (_MSC_VER >= 1400) && defined(_WIN64) && !defined(_DEBUG)