Fix Divide By Zero Error if No Votes
Fix Divide By Zero Error if No Votes

Fix divide by zero error if no votes in survey.

Possible future addition would be validation to prevent submitting form
if not votes.


Former-commit-id: 360abcc562335dd131e64d5ff6c3ed40927f7c11
biplobice/concrete5,mlocati/concrete5,mlocati/concrete5,MrKarlDilkington/concrete5,KorvinSzanto/concrete5,jaromirdalecky/concrete5,rikzuiderlicht/concrete5,olsgreen/concrete5,acliss19xx/concrete5,rikzuiderlicht/concrete5,biplobice/concrete5,hissy/concrete5,KorvinSzanto/concrete5,haeflimi/concrete5,acliss19xx/concrete5,triplei/concrete5-8,mainio/concrete5,concrete5/concrete5,MrKarlDilkington/concrete5,MrKarlDilkington/concrete5,olsgreen/concrete5,concrete5/concrete5,deek87/concrete5,mlocati/concrete5,biplobice/concrete5,mainio/concrete5,triplei/concrete5-8,jaromirdalecky/concrete5,a3020/concrete5,haeflimi/concrete5,deek87/concrete5,haeflimi/concrete5,deek87/concrete5,jaromirdalecky/concrete5,mlocati/concrete5,KorvinSzanto/concrete5,biplobice/concrete5,hissy/concrete5,olsgreen/concrete5,haeflimi/concrete5,rikzuiderlicht/concrete5,jaromirdalecky/concrete5,acliss19xx/concrete5,deek87/concrete5,mainio/concrete5,a3020/concrete5,hissy/concrete5,hissy/concrete5,concrete5/concrete5,triplei/concrete5-8,concrete5/concrete5