Check for _WIN32 in addition to __WIN32__.

diff --git a/mono/io-layer/io-layer.h b/mono/io-layer/io-layer.h
index 57ef8dbb5244569c9a7907e9768d066d5c598757..2c62d7183d675f24483b8fde9260add76c37164d 100644 (file)
--- a/mono/io-layer/io-layer.h
+++ b/mono/io-layer/io-layer.h
@@ -11,7 +11,7 @@
 #ifndef _MONO_IOLAYER_IOLAYER_H_
 #define _MONO_IOLAYER_IOLAYER_H_
 
-#if defined(__WIN32__)
+#if defined(__WIN32__) || defined(_WIN32)
 /* Native win32 */
 #define __USE_W32_SOCKETS
 #if (_WIN32_WINNT < 0x0502)