[gssdp] Use SO_REUSEPORT on NetBSD as well

[Jens Georg <jensgeorg src gnome org>]

commit bc3e87b01bf90d10845dc3146404c5fbe20f1f78
Author: Matthias Drochner <M Drochner fz-juelich de>
Date:   Fri Nov 30 13:56:03 2012 +0100

    Use SO_REUSEPORT on NetBSD as well
    
    Fixes:
        https://bugzilla.gnome.org/show_bug.cgi?id=685949

 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 2481fe2..8f4ea36 100644
--- a/libgssdp/gssdp-socket-functions.c
+++ b/libgssdp/gssdp-socket-functions.c
@@ -157,10 +157,10 @@ gboolean
 gssdp_socket_reuse_address (GSocket *socket,
                             gboolean enable,
                             GError **error) {
-#if defined(G_OS_WIN32) || defined(__OpenBSD__)
+#if defined(G_OS_WIN32) || defined(__OpenBSD__) || defined(__NetBSD__)
         return gssdp_socket_option_set (socket,
                                         SOL_SOCKET,
-#if defined(__OpenBSD__)
+#if defined(__OpenBSD__) || defined (__NetBSD__)
                                         SO_REUSEPORT,
 #else
                                         SO_REUSEADDR,