fix bug where inactive products were showing up when a blank string was searched for
fix bug where inactive products were showing up when a blank string was searched for

pigletto/django-lfs,diefenbach/django-lfs,baffolobill/django-lfs,pigletto/django-lfs,pigletto/django-lfs,diefenbach/django-lfs,baffolobill/django-lfs,wisonwang/django-lfs,leadbrick/django-lfs,baffolobill/django-lfs,wisonwang/django-lfs,diefenbach/django-lfs,leadbrick/django-lfs,leadbrick/django-lfs,wisonwang/django-lfs