[gnome-builder] clang: make sure we release the cached translation unit

[Christian Hergert <chergert src gnome org>]

commit 99374d14f85db5597c6f37eda5983e1d917908e1
Author: Christian Hergert <christian hergert me>
Date:   Thu Mar 26 17:31:19 2015 -0700

    clang: make sure we release the cached translation unit

 libide/clang/ide-clang-highlighter.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/clang/ide-clang-highlighter.c b/libide/clang/ide-clang-highlighter.c
index c214160..17fae3e 100644
--- a/libide/clang/ide-clang-highlighter.c
+++ b/libide/clang/ide-clang-highlighter.c
@@ -66,10 +66,10 @@ ide_clang_highlighter_real_update (IdeHighlighter       *highlighter,
                                    GtkTextIter          *location)
 {
   IdeClangHighlighter *self = (IdeClangHighlighter *)highlighter;
+  g_autoptr(IdeClangTranslationUnit) unit = NULL;
   GtkTextBuffer *text_buffer;
   GtkSourceBuffer *source_buffer;
   IdeHighlightIndex *index;
-  IdeClangTranslationUnit *unit;
   IdeContext *context;
   IdeClangService *service;
   IdeBuffer *buffer;