struct structure_field *field;
/* Make sure structure does not contain a field of the same name */
- if (g_hash_table_contains(field_name_to_index,
- GUINT_TO_POINTER(name_quark))) {
+ if (g_hash_table_lookup_extended(field_name_to_index,
+ GUINT_TO_POINTER(name_quark), NULL, NULL)) {
ret = -1;
goto end;
}