diff -r 000000000000 -r 76b1f169d9fe mingw-5.1.4/win32/include/sddl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mingw-5.1.4/win32/include/sddl.h	Fri Apr 03 17:16:45 2009 +0100
@@ -0,0 +1,30 @@
+#ifndef _SDDL_H
+#define _SDDL_H
+#if __GNUC__ >= 3
+#pragma GCC system_header
+#endif
+
+#ifndef WINADVAPI
+#define WINADVAPI
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if (WINVER >= 0x0500)
+WINADVAPI BOOL WINAPI ConvertSidToStringSidA(PSID Sid, LPSTR* StringSid);
+WINADVAPI BOOL WINAPI ConvertSidToStringSidW(PSID Sid, LPWSTR* StringSid);
+#endif
+
+#ifdef UNICODE
+#define ConvertSidToStringSid ConvertSidToStringSidW
+#else
+#define ConvertSidToStringSid ConvertSidToStringSidA
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SDDL_H */