[glib] GDataSet: silently accept NULL/0 as keys

[Matthias Clasen <matthiasc src gnome org>]

commit f6a9d0479622593c8339346b7298ca04f31a56be
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Oct 2 14:40:16 2014 -0400

    GDataSet: silently accept NULL/0 as keys
    
    This used to be the behaviour before we made these functions
    threadsafe; keep it that way.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=737741

 glib/gdataset.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/glib/gdataset.c b/glib/gdataset.c
index f054d32..4c02d36 100644
--- a/glib/gdataset.c
+++ b/glib/gdataset.c
@@ -850,7 +850,6 @@ g_datalist_id_dup_data (GData          **datalist,
   GDataElt *data, *data_end;
 
   g_return_val_if_fail (datalist != NULL, NULL);
-  g_return_val_if_fail (key_id != 0, NULL);
 
   g_datalist_lock (datalist);
 
@@ -1029,7 +1028,7 @@ g_datalist_get_data (GData         **datalist,
       data_end = data + d->len;
       while (data < data_end)
        {
-         if (strcmp (g_quark_to_string (data->key), key) == 0)
+         if (g_strcmp0 (g_quark_to_string (data->key), key) == 0)
            {
              res = data->data;
              break;