Define WIN32_LEAN_AND_MEAN before including windows.h.

diff --git a/mono/utils/atomic.h b/mono/utils/atomic.h
index 36e161e1bc1cea7bba28757d219cde2534387605..79455ad9c435c889e9e2fb5289b365324b2ea29a 100755 (executable)
--- a/mono/utils/atomic.h
+++ b/mono/utils/atomic.h
@@ -21,6 +21,9 @@
 /* On Windows, we always use the functions provided by the Windows API. */
 #if defined(__WIN32__) || defined(_WIN32)
 
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
 #include <windows.h>
 #include <mono/utils/mono-membar.h>