Use _WIN32 instead of WIN32 as the latter is not defined by Visual C.

diff --git a/include/yaml.h b/include/yaml.h
index 400cae1ead5953521529d9c90b6dce5d704cb5dd..5a04d36d4158a0ae8483a693ab42cb169ff45c5b 100644 (file)
--- a/include/yaml.h
+++ b/include/yaml.h
@@ -26,7 +26,7 @@ extern "C" {
 
 /** The public API declaration. */
 
-#ifdef WIN32
+#ifdef _WIN32
 #   if defined(YAML_DECLARE_STATIC)
 #       define  YAML_DECLARE(type)  type
 #   elif defined(YAML_DECLARE_EXPORT)