[gnome-builder] autotools: config property is a GKeyFile, so use g_clear_pointer().

[Christian Hergert <chergert src gnome org>]

commit 897f6800cc2831f7c48f868ee09cc004f29be227
Author: Christian Hergert <christian hergert me>
Date:   Sat Feb 7 15:53:42 2015 -0800

    autotools: config property is a GKeyFile, so use g_clear_pointer().
    
    Fixes some fallout from moving from IdeBuildConfig to GKeyFile.

 libide/autotools/ide-autotools-builder.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/autotools/ide-autotools-builder.c b/libide/autotools/ide-autotools-builder.c
index 4b37918..314ae84 100644
--- a/libide/autotools/ide-autotools-builder.c
+++ b/libide/autotools/ide-autotools-builder.c
@@ -204,7 +204,7 @@ ide_autotools_builder_finalize (GObject *object)
   IdeAutotoolsBuilder *self = (IdeAutotoolsBuilder *)object;
   IdeAutotoolsBuilderPrivate *priv = ide_autotools_builder_get_instance_private (self);
 
-  g_clear_object (&priv->config);
+  g_clear_pointer (&priv->config, g_key_file_unref);
   g_clear_object (&priv->device);
 
   G_OBJECT_CLASS (ide_autotools_builder_parent_class)->finalize (object);