[1.1.X] Fixed #12561. InlineAdmin now respects can_delete=False. Backport of [12533] from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@12534 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/modeladmin/models.py

@@ -291,6 +291,7 @@ blank=True for the model field.  Finally, the widget should have the
 ...     form = AdminConcertForm
 ...     model = Concert
 ...     fk_name = 'main_band'
+...     can_delete = True
 
 >>> class BandAdmin(ModelAdmin):
 ...     inlines = [