Fix SelectOption value check
Fix SelectOption value check

I was a bit too eager - just noticed on a project that a test was failing because of this.
funkybob/django-sniplates,kezabelle/django-sniplates,funkybob/django-sniplates,sergei-maertens/django-sniplates,sergei-maertens/django-sniplates,kezabelle/django-sniplates,kezabelle/django-sniplates,sergei-maertens/django-sniplates