[gnome-builder] config: free toolchain id on finalize

[Christian Hergert <chergert src gnome org>]

commit 7b3b3b541f3aa81dd11ebc2f964919b1811ef383
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jul 27 22:24:34 2018 -0700

    config: free toolchain id on finalize

 src/libide/config/ide-configuration.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/libide/config/ide-configuration.c b/src/libide/config/ide-configuration.c
index 7b6f24395..0607749ae 100644
--- a/src/libide/config/ide-configuration.c
+++ b/src/libide/config/ide-configuration.c
@@ -280,6 +280,7 @@ ide_configuration_finalize (GObject *object)
   g_clear_pointer (&priv->prefix, g_free);
   g_clear_pointer (&priv->runtime_id, g_free);
   g_clear_pointer (&priv->app_id, g_free);
+  g_clear_pointer (&priv->toolchain_id, g_free);
 
   G_OBJECT_CLASS (ide_configuration_parent_class)->finalize (object);
 }