[babl] babl: initialize used BablModel struct member data on init

[Øyvind Kolås <ok src gnome org>]

commit aea711db6b90d1f62261d58f513ca31259d3148b
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Aug 26 00:37:24 2017 +0200

    babl: initialize used BablModel struct member data on init

 babl/babl-model.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/babl/babl-model.c b/babl/babl-model.c
index 2cec2c3..0e28a17 100644
--- a/babl/babl-model.c
+++ b/babl/babl-model.c
@@ -71,6 +71,7 @@ model_new (const char     *name,
   babl->instance.id      = id;
   babl->model.components = components;
   babl->model.space      = space;
+  babl->model.data       = NULL;
   strcpy (babl->instance.name, name);
   memcpy (babl->model.component, component, sizeof (BablComponent *) * components);