_mingw_stat64.h: Define _fstat, _stat and _wstat to *32 variants when appropriate.

*32 variants are handled by importlibs for crts that need it anyway and unsuffixed variants don't exist in ucrt runtime.
diff --git a/mingw-w64-headers/crt/_mingw_stat64.h b/mingw-w64-headers/crt/_mingw_stat64.h
index d9909a8..00b68ce 100644
--- a/mingw-w64-headers/crt/_mingw_stat64.h
+++ b/mingw-w64-headers/crt/_mingw_stat64.h
@@ -1,17 +1,14 @@
 #ifndef _STAT_DEFINED
 
 #ifdef _USE_32BIT_TIME_T
-#if __MSVCRT_VERSION__ >= 0x1400
 #define _fstat _fstat32
 #define _stat _stat32
 #define _wstat _wstat32
+#if __MSVCRT_VERSION__ >= 0x1400
 #define _fstati64 _fstat32i64
 #define _stati64 _stat32i64
 #define _wstati64 _wstat32i64
 #else
-#define _fstat32 _fstat
-#define _stat32 _stat
-#define _wstat32 _wstat
 #define _fstat32i64 _fstati64
 #define _stat32i64 _stati64
 #define _wstat32i64 _wstati64