[1.3.X] Fixed a small admin CSS issue where the "Save and continue editing"...

[1.3.X] Fixed a small admin CSS issue where the "Save and continue editing" and "Save and add another" buttons were wrongly aligned with left-to-right languages in IE7.

Backport of r16683 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.3.X@16684 bcc190cf-cafb-0310-a4f2-bffc1f526a37