Fixed bug in QueryDict parse_sql() call under mod_python, which requires query_string to be an empty string, not None
Fixed bug in QueryDict parse_sql() call under mod_python, which requires query_string to be an empty string, not None

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@1505 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django-nonrel/django-nonrel,dcramer/django-compositepks,t11e/django,jamespacileo/django-france,sam-tsai/django-old,django-nonrel/django-nonrel,disqus/django-old,skevy/django,bfirsh/django-old,sam-tsai/django-old,rawwell/django,hugs/django,skevy/django,django-nonrel/django-nonrel,jamespacileo/django-france,Smarsh/django,rawwell/django,Instagram/django,rawwell/django,bfirsh/django-old,Smarsh/django,t11e/django,disqus/django-old,mitsuhiko/django,Instagram/django,hugs/django,jamespacileo/django-france,skevy/django,bfirsh/django-old,dcramer/django-compositepks,disqus/django-old,mitsuhiko/django,sam-tsai/django-old,alex/django-old,Smarsh/django,hugs/django,alex/django-old,Instagram/django,dcramer/django-compositepks,alex/django-old,mitsuhiko/django,Smarsh/django,t11e/django,sam-tsai/django-old