[gnome-builder] clang: don't leak decl_cursors

[Christian Hergert <chergert src gnome org>]

commit 05685c2cfa9777f8c5b73997e8b10e5c9ac6a4c3
Author: Christian Hergert <chergert redhat com>
Date:   Sat Jan 13 04:43:55 2018 -0800

    clang: don't leak decl_cursors
    
    I don't think we're hitting this, but in case we do, make sure the items
    are also freed.

 src/plugins/clang/ide-clang-code-index-entries.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/plugins/clang/ide-clang-code-index-entries.c 
b/src/plugins/clang/ide-clang-code-index-entries.c
index ddedce022..3a586796a 100644
--- a/src/plugins/clang/ide-clang-code-index-entries.c
+++ b/src/plugins/clang/ide-clang-code-index-entries.c
@@ -315,7 +315,9 @@ ide_clang_code_index_entries_finalize (GObject *object)
 {
   IdeClangCodeIndexEntries *self = (IdeClangCodeIndexEntries *)object;
 
+  g_queue_foreach (&self->decl_cursors, (GFunc)cx_cursor_free, NULL);
   g_queue_clear (&self->decl_cursors);
+
   g_queue_foreach (&self->cursors, (GFunc)cx_cursor_free, NULL);
   g_queue_clear (&self->cursors);