Enabled ucrt64 gmtime_r implementation

Defined _POSIX_THREAD_SAFE_FUNCTIONS to enable built-in gmtime_r implementation, and removed windows.h implementation.

Author: bgoing-micron-oss

libnvme/src/platform/windows.h

@@ -45,16 +45,6 @@ static inline void libnvme_init(void)
 }
 
 
-/* time.h POSIX compatibility */
-
-static inline struct tm *gmtime_r(const time_t *timep, struct tm *result)
-{
-	if (gmtime_s(result, timep) == 0)
-		return result;
-	return NULL;
-}
-
-
 /* signal.h POSIX compatibility - Windows doesn't have sigaction */
 
 struct sigaction {

meson.build

@@ -177,6 +177,7 @@ if host_system == 'windows'
     add_project_arguments(
         [
             '-DHAVE_GLIBC_IOCTL=0',
+            '-D_POSIX_THREAD_SAFE_FUNCTIONS',
         ],
         language : 'c',
     )