Do not re-define SECURITY_WIN32 if already defined.

Some toolchains have SECURITY_WIN32 defined by default.

diff --git a/windows/winmisc.c b/windows/winmisc.c
index d21e1170babbc39ee32d3984d9e184a2081033ec..cd8d74ed1fdbfb76f1e6f02ffc01cdddf5d33011 100644 (file)
--- a/windows/winmisc.c
+++ b/windows/winmisc.c
@@ -5,7 +5,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include "putty.h"
+#ifndef SECURITY_WIN32
 #define SECURITY_WIN32
+#endif
 #include <security.h>
 
 OSVERSIONINFO osVersion;