[gnome-builder] clang: fix uninitialized return

[Christian Hergert <chergert src gnome org>]

commit 2b2f862a2534fa3a9626425432f0650840acaf34
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jul 12 13:56:38 2017 -0700

    clang: fix uninitialized return

 plugins/clang/ide-clang-translation-unit.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/clang/ide-clang-translation-unit.c b/plugins/clang/ide-clang-translation-unit.c
index abc1646..222010d 100644
--- a/plugins/clang/ide-clang-translation-unit.c
+++ b/plugins/clang/ide-clang-translation-unit.c
@@ -1213,7 +1213,7 @@ ide_clang_translation_unit_find_nearest_scope (IdeClangTranslationUnit  *self,
   enum CXCursorKind kind;
   IdeSymbolKind symkind;
   IdeSymbolFlags symflags;
-  IdeSymbol *ret;
+  IdeSymbol *ret = NULL;
   CXFile file;
   IdeFile *ifile;
   guint line;