Fixed #13168 - Corrected the alignment of the admin inline headers for rtl...

Fixed #13168 - Corrected the alignment of the admin inline headers for rtl languages. Thanks for the report and patch, benc.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13191 bcc190cf-cafb-0310-a4f2-bffc1f526a37