From 4475d698142712dcdeb8c40526ed411003b1c2a4 Mon Sep 17 00:00:00 2001
From: Jef Driesen <jefdriesen@users.sourceforge.net>
Date: Thu, 21 Jan 2016 20:05:42 +0100
Subject: [PATCH] Use the error code returned by the WSAStartup function.

Unlike the other socket functions, the WSAStartup() function returns the
extended error code directly. A call to the WSAGetLastError() function
is not needed and should not be used.
---
 src/irda.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/irda.c b/src/irda.c
index 3be1151..a361eb8 100644
--- a/src/irda.c
+++ b/src/irda.c
@@ -90,8 +90,9 @@ irda_socket_open (irda_t **out, dc_context_t *context)
 	// Initialize the winsock dll.
 	WSADATA wsaData;
 	WORD wVersionRequested = MAKEWORD (2, 2);
-	if (WSAStartup (wVersionRequested, &wsaData) != 0) {
-		SYSERROR (context, ERRNO);
+	int rc = WSAStartup (wVersionRequested, &wsaData);
+	if (rc != 0) {
+		SYSERROR (context, rc);
 		goto error_free;
 	}