Fixed ANSI compabillity.

diff --git a/include/tchar.h b/include/tchar.h
index 35e0ee6..df9c059 100644
--- a/include/tchar.h
+++ b/include/tchar.h
@@ -266,7 +266,7 @@
 DECL_WINELIB_TYPE_AW (LPTSTR)
 	 
 #ifdef __cplusplus
-} // extern "C"
+} /* extern "C" */
 #endif
 				 
 #endif /* __WINE_TCHAR_H */