[gnome-builder] util: add helper to steal pointer and clear free func

[Christian Hergert <chergert src gnome org>]

commit 6a7dd13bbfe9a7fd8dc19e3a169e6a183d3fac81
Author: Christian Hergert <chergert redhat com>
Date:   Mon Apr 9 14:45:24 2018 -0700

    util: add helper to steal pointer and clear free func
    
    This allows us to do IDE_PTR_ARRAY_STEAL_FULL(&array) when transfering
    ownership as a function parameter.

 src/libide/util/ide-glib.h | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/libide/util/ide-glib.h b/src/libide/util/ide-glib.h
index 55b833859..5f0a96a60 100644
--- a/src/libide/util/ide-glib.h
+++ b/src/libide/util/ide-glib.h
@@ -31,6 +31,9 @@ G_BEGIN_DECLS
     if ((ar) != NULL)                                           \
       g_ptr_array_set_free_func ((ar), (GDestroyNotify)(func)); \
   } G_STMT_END
+#define IDE_PTR_ARRAY_STEAL_FULL(arptr)        \
+  ({ IDE_PTR_ARRAY_CLEAR_FREE_FUNC (*(arptr)); \
+     g_steal_pointer ((arptr)); })
 
 IDE_AVAILABLE_IN_ALL
 const gchar *ide_gettext                              (const gchar          *message);