Fixed #6935: Modified inspectdb to provide better handling for table names...

Fixed #6935: Modified inspectdb to provide better handling for table names with spaces. Thanks to adamv for the report and patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8403 bcc190cf-cafb-0310-a4f2-bffc1f526a37