Fix confusing white space in membership-new.js
Fix confusing white space in membership-new.js

bad indenting makes some of the code look like it's part of a block that
doesn't exist

mysociety/popit,Sinar/popit,Sinar/popit,openstate/popit,mysociety/popit,openstate/popit,openstate/popit,mysociety/popit,mysociety/popit,Sinar/popit,openstate/popit,Sinar/popit,mysociety/popit