From b1b15910ed9ea6fbed245f220195486253ef4cd7 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <steffen.jaeckel@stzedn.de>
Date: Tue, 15 Oct 2013 10:17:17 +0200
Subject: [PATCH] fix rng_get_bytes() when compiling with mingw-gcc

---
 src/prngs/rng_get_bytes.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/prngs/rng_get_bytes.c b/src/prngs/rng_get_bytes.c
index b8cc6f5..9193787 100644
--- a/src/prngs/rng_get_bytes.c
+++ b/src/prngs/rng_get_bytes.c
@@ -87,12 +87,16 @@ static unsigned long rng_ansic(unsigned char *buf, unsigned long len,
 #endif 
 
 /* Try the Microsoft CSP */
-#if defined(WIN32) || defined(WINCE)
-#define _WIN32_WINNT 0x0400
+#if defined(WIN32) || defined(_WIN32) || defined(WINCE)
+#ifndef _WIN32_WINNT
+  #define _WIN32_WINNT 0x0400
+#endif
 #ifdef WINCE
    #define UNDER_CE
    #define ARM
 #endif
+
+#define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #include <wincrypt.h>
 
@@ -134,7 +138,7 @@ unsigned long rng_get_bytes(unsigned char *out, unsigned long outlen,
 #if defined(LTC_DEVRANDOM)
    x = rng_nix(out, outlen, callback);   if (x != 0) { return x; }
 #endif
-#ifdef WIN32
+#if defined(_WIN32) || defined(_WIN32) || defined(WINCE)
    x = rng_win32(out, outlen, callback); if (x != 0) { return x; }
 #endif
 #ifdef ANSI_RNG