[gtk+/gtk-3-14] broadway: Only use abstract sockets when they are supported

[Matthias Clasen <matthiasc src gnome org>]

commit 959d1eff538ea0a903e9fc114f9235476e720018
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jan 18 15:24:30 2015 -0500

    broadway: Only use abstract sockets when they are supported
    
    GIO has a function to check whether abstract sockets are
    supported, so use it. This should make broadway work on
    Freebsd again.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742980

 gdk/broadway/broadwayd.c          |    7 ++++---
 gdk/broadway/gdkbroadway-server.c |    7 ++++---
 2 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/gdk/broadway/broadwayd.c b/gdk/broadway/broadwayd.c
index 031e866..2cd69fb 100644
--- a/gdk/broadway/broadwayd.c
+++ b/gdk/broadway/broadwayd.c
@@ -452,10 +452,11 @@ main (int argc, char *argv[])
   if (display == NULL)
     {
 #ifdef G_OS_UNIX
-      display = ":0";
-#else
-      display = ":tcp";
+      if (g_unix_socket_address_abstract_names_supported ())
+        display = ":0";
+      else
 #endif
+        display = ":tcp";
     }
 
   if (g_str_has_prefix (display, ":tcp"))
diff --git a/gdk/broadway/gdkbroadway-server.c b/gdk/broadway/gdkbroadway-server.c
index ecb0ea4..ecd24ae 100644
--- a/gdk/broadway/gdkbroadway-server.c
+++ b/gdk/broadway/gdkbroadway-server.c
@@ -110,10 +110,11 @@ _gdk_broadway_server_new (const char *display, GError **error)
   if (display == NULL)
     {
 #ifdef G_OS_UNIX
-      display = ":0";
-#else
-      display = ":tcp";
+      if (g_unix_socket_address_abstract_names_supported ())
+        display = ":0";
+      else
 #endif
+        display = ":tcp";
     }
 
   if (g_str_has_prefix (display, ":tcp"))