From fc85ba71f1bd1eeebbc36e69bc5d667c812784b3 Mon Sep 17 00:00:00 2001
From: Fabien Le Mentec <texane@gmail.com>
Date: Thu, 17 May 2012 01:39:16 -0500
Subject: [PATCH] [ fix ] missing LIBUSB_CALL definition

---
 src/stlink-usb.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/stlink-usb.c b/src/stlink-usb.c
index 20e5cd2..72ffda1 100644
--- a/src/stlink-usb.c
+++ b/src/stlink-usb.c
@@ -58,6 +58,10 @@ struct trans_ctx {
     volatile unsigned long flags;
 };
 
+#ifndef LIBUSB_CALL
+# define LIBUSB_CALL
+#endif
+
 static void LIBUSB_CALL on_trans_done(struct libusb_transfer * trans) {
     struct trans_ctx * const ctx = trans->user_data;