[PATCH 1/1] include: Define __has_attribute() if the compiler does not provide it.

[Zebediah Figura]

From: Zebediah Figura

Fixes: f4c3801495f4fe17a10e2f21339de3b511c78339

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54666
---
 include/msvcrt/vadefs.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/msvcrt/vadefs.h b/include/msvcrt/vadefs.h
index 462c2d6815f..9b044797d2f 100644
--- a/include/msvcrt/vadefs.h
+++ b/include/msvcrt/vadefs.h
@@ -27,6 +27,10 @@
 #define _ADDRESSOF(v) (&(v))
 #endif

+#ifndef __has_attribute
+#define __has_attribute(x) 0
+#endif
+
 #if defined (__GNUC__) && (defined(__x86_64__) || (defined(__aarch64__) && __has_attribute(ms_abi)))

typedef __builtin_ms_va_list va_list;