[gnome-builder/editor-layout] plug leak

[Christian Hergert <chergert src gnome org>]

commit a63759e738fca5f9afa554ed3d531731093dba1c
Author: Christian Hergert <christian hergert me>
Date:   Sat Nov 29 14:21:35 2014 -0800

    plug leak

 .../gb-source-code-assistant-renderer.c            |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/code-assistant/gb-source-code-assistant-renderer.c 
b/src/code-assistant/gb-source-code-assistant-renderer.c
index 982569e..290bc55 100644
--- a/src/code-assistant/gb-source-code-assistant-renderer.c
+++ b/src/code-assistant/gb-source-code-assistant-renderer.c
@@ -254,6 +254,9 @@ gb_source_code_assistant_renderer_finalize (GObject *object)
       priv->code_assistant = NULL;
     }
 
+  if (priv->diagnostics)
+    g_clear_pointer (&priv->diagnostics, g_array_unref);
+
   g_clear_pointer (&priv->line_to_severity_hash, g_hash_table_unref);
 
   G_OBJECT_CLASS (gb_source_code_assistant_renderer_parent_class)->finalize (object);