[1.0.X] Fixed #9804 -- Corrected the introspection of sequence names. This was...

[1.0.X] Fixed #9804 -- Corrected the introspection of sequence names. This was causing problems when flushing tables that had many-to-many relations through an inherited table. Thanks to jdimov for the report.

Merge of r10552 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@10553 bcc190cf-cafb-0310-a4f2-bffc1f526a37