_mingw.h: Do not check for _UCRT

This fixes commit bfd33f6c0ec5e652cc9911857dd1492ece8d8383. _UCRT does not
have to be defined yet (it is defined after including _mingw.h), but
__MSVCRT_VERSION__ at this stage is always defined (few lines above).

Signed-off-by: Liu Hao <lh_mouse@126.com>

mingw-w64-headers/crt/_mingw.h.in

diff --git a/mingw-w64-headers/crt/_mingw.h.in b/mingw-w64-headers/crt/_mingw.h.in
index 460d932..c1caae6 100644
--- a/mingw-w64-headers/crt/_mingw.h.in
+++ b/mingw-w64-headers/crt/_mingw.h.in
@@ -421,8 +421,8 @@
  * printf ll modifier (unsupported by msvcrt.dll) is required by C99 and C++11 standards. */
 #if (defined (_POSIX) || defined (_POSIX_SOURCE) || defined (_POSIX_C_SOURCE) \
      || defined (_ISOC99_SOURCE) \
-     || (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && !defined(_UCRT)) \
-     || (defined (__cplusplus) && __cplusplus >= 201103L && !defined(_UCRT)) \
+     || (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && __MSVCRT_VERSION__ < 0xE00) \
+     || (defined (__cplusplus) && __cplusplus >= 201103L && __MSVCRT_VERSION__ < 0xE00) \
      || defined (_XOPEN_SOURCE) || defined (_XOPEN_SOURCE_EXTENDED) \
      || defined (_GNU_SOURCE) \
      || defined (_SVID_SOURCE)) \