Add a new 'real_sequence' field. (g_sequence_new): Initialize

Add a new 'real_sequence' field. (g_sequence_new): Initialize

2007-02-03  Soren Sandmann <sandmann@daimi.au.dk>

        * glib/gsequence.c (struct _GSequence): Add a new 'real_sequence'
        field.
        (g_sequence_new): Initialize real_sequence to the sequence
        (g_sequence_sort_iter): Set real_sequence of the temporary
        sequence to the real sequence.
        (g_sequence_sort_changed_iter): Same
        (g_sequence_insert_sorted_iter): Same
        (g_sequence_search_iter): Same
        (g_sequence_iter_get_sequence): Return real_sequence

        * tests/sequence-test.c (compare_iters): Insert assertions that
        the iters point to the sequence being manipulated.

svn path=/trunk/; revision=5323