Fixed #17415 -- Reset database sequence for Site's pk after creating the...

Fixed #17415 -- Reset database sequence for Site's pk after creating the default site with an explicit pk. Thanks niko AT neagee net for the report, Russell and Karen for describing the fix, and Anssi for drafting the patch.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@17343 bcc190cf-cafb-0310-a4f2-bffc1f526a37