[evolution-rss] Fix a build break under Win32

[Milan Crha <mcrha src gnome org>]

commit 62e592ca7e3a6b65e497e070874ea01e88d3e113
Author: Milan Crha <mcrha redhat com>
Date:   Fri Sep 26 23:47:41 2014 +0200

    Fix a build break under Win32

 src/rss-evo-common.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/src/rss-evo-common.c b/src/rss-evo-common.c
index 1a96862..269565b 100644
--- a/src/rss-evo-common.c
+++ b/src/rss-evo-common.c
@@ -55,6 +55,17 @@
 #include <libsoup/soup-gnome-features.h>
 #endif
 
+#ifdef G_OS_WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#ifdef HAVE_WSPIAPI_H
+#include <wspiapi.h>
+#endif
+
+#define IN6_ARE_ADDR_EQUAL(a,b) IN6_ADDR_EQUAL(a,b)
+
+#endif
+
 #define d(x)
 
 #include "rss-evo-common.h"