[gnome-builder] snippet: don't leak snippet string attributes

[Christian Hergert <chergert src gnome org>]

commit 5801d5ec064c18d43a7ea4c8c8faa47dd24025e2
Author: Christian Hergert <chergert redhat com>
Date:   Wed Oct 12 18:46:41 2016 -0700

    snippet: don't leak snippet string attributes

 libide/snippets/ide-source-snippet.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/libide/snippets/ide-source-snippet.c b/libide/snippets/ide-source-snippet.c
index 33b0057..8ba313c 100644
--- a/libide/snippets/ide-source-snippet.c
+++ b/libide/snippets/ide-source-snippet.c
@@ -946,14 +946,18 @@ ide_source_snippet_dispose (GObject *object)
 
   g_clear_object (&self->buffer);
   g_clear_object (&self->snippet_context);
-
-  g_free(self->language);
-  g_free(self->description);
 }
 
 static void
 ide_source_snippet_finalize (GObject *object)
 {
+  IdeSourceSnippet *self = (IdeSourceSnippet *)object;
+
+  g_clear_pointer (&self->language, g_free);
+  g_clear_pointer (&self->description, g_free);
+  g_clear_pointer (&self->trigger, g_free);
+  g_clear_pointer (&self->snippet_text, g_free);
+
   G_OBJECT_CLASS (ide_source_snippet_parent_class)->finalize (object);
 }