[gssdp] Use SO_REUSEPORT on FreeBSD as well

[Jens Georg <jensgeorg src gnome org>]

commit e4c8a58928d2fc94bc9b7eb6f6ef5115f7dd6f06
Author: Jens Georg <jensg openismus com>
Date:   Tue Jun 4 13:04:20 2013 +0200

    Use SO_REUSEPORT on FreeBSD as well
    
    This is used in the ports file for GSSDP downstream so let's just take it
    upstream.

 libgssdp/gssdp-socket-functions.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgssdp/gssdp-socket-functions.c b/libgssdp/gssdp-socket-functions.c
index 4669f96..e77318b 100644
--- a/libgssdp/gssdp-socket-functions.c
+++ b/libgssdp/gssdp-socket-functions.c
@@ -159,10 +159,10 @@ gboolean
 gssdp_socket_reuse_address (GSocket *socket,
                             gboolean enable,
                             GError **error) {
-#if defined(G_OS_WIN32) || defined(__OpenBSD__) || defined(__NetBSD__)
+#if defined(G_OS_WIN32) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)
         return gssdp_socket_option_set (socket,
                                         SOL_SOCKET,
-#if defined(__OpenBSD__) || defined (__NetBSD__)
+#if defined(__OpenBSD__) || defined (__NetBSD__) || defined (__FreeBSD__)
                                         SO_REUSEPORT,
 #else
                                         SO_REUSEADDR,