Correct preprocessor guards determining use of gmtime()
The previous code erroneously used gmtime_r() to implement
mbedtls_platform_gmtime() in case of a non-windows, non-unix system.
diff --git a/include/mbedtls/threading.h b/include/mbedtls/threading.h
index 11f6341..49ecdc3 100644
--- a/include/mbedtls/threading.h
+++ b/include/mbedtls/threading.h
@@ -108,10 +108,14 @@
extern mbedtls_threading_mutex_t mbedtls_threading_readdir_mutex;
#endif
#if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_PLATFORM_GMTIME_R_ALT)
+
#if !defined(_WIN32) && (defined(unix) || \
defined(__unix) || defined(__unix__) || (defined(__APPLE__) && \
defined(__MACH__)))
#include <unistd.h>
+#endif /* !_WIN32 && (unix || __unix || __unix__ ||
+ * (__APPLE__ && __MACH__)) */
+
#if !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
_POSIX_THREAD_SAFE_FUNCTIONS >= 20112L ) )
@@ -124,8 +128,6 @@
#endif /* !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
_POSIX_THREAD_SAFE_FUNCTIONS >= 20112L ) ) */
-#endif /* !_WIN32 && (unix || __unix || __unix__ ||
- * (__APPLE__ && __MACH__)) */
#endif /* MBEDTLS_HAVE_TIME_DATE && !MBEDTLS_PLATFORM_GMTIME_R_ALT */
#endif /* MBEDTLS_THREADING_C */