winbase.h: Define FILE_FLAG_OPEN_REPARSE_POINT.

include/winbase.h

diff --git a/include/winbase.h b/include/winbase.h
index c45fbf1..7d6a827 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -664,6 +664,7 @@
 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
+#define FILE_FLAG_OPEN_REPARSE_POINT 0x00200000L
 #define CREATE_NEW              1
 #define CREATE_ALWAYS           2
 #define OPEN_EXISTING           3