[glib] Don't leak an error

[Matthias Clasen <matthiasc src gnome org>]

commit 905e916573a6a714bfbf513df2bb07bb365ca2a8
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Aug 5 17:18:48 2015 -0400

    Don't leak an error
    
    The previous commit introduced a possible memory leak in cases
    where we get a G_IO_ERROR_CLOSED error. Make sure to always
    free an error, if we got one.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=753278

 gio/gdbusobjectmanagerserver.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/gio/gdbusobjectmanagerserver.c b/gio/gdbusobjectmanagerserver.c
index 6745df0..188c595 100644
--- a/gio/gdbusobjectmanagerserver.c
+++ b/gio/gdbusobjectmanagerserver.c
@@ -929,9 +929,10 @@ g_dbus_object_manager_server_emit_interfaces_added (GDBusObjectManagerServer *ma
                                                 object_path,
                                                 &array_builder),
                                  &error);
-  if (error && !g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED))
+  if (error)
     {
-      g_warning ("Couldn't emit InterfacesAdded signal: %s", error->message);
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED))
+        g_warning ("Couldn't emit InterfacesAdded signal: %s", error->message);
       g_error_free (error);
     }
  out:
@@ -966,9 +967,10 @@ g_dbus_object_manager_server_emit_interfaces_removed (GDBusObjectManagerServer *
                                                 object_path,
                                                 &array_builder),
                                  &error);
-  if (error && !g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED))
+  if (error)
     {
-      g_warning ("Couldn't emit InterfacesRemoved signal: %s", error->message);
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED))
+        g_warning ("Couldn't emit InterfacesRemoved signal: %s", error->message);
       g_error_free (error);
     }
  out: