fix missing assignment

Author: 7riumph

app/controllers/volunteers_controller.rb

@@ -38,7 +38,7 @@ def create
 
       hash_of_short_urls = {0 => nil, 1 => nil}
       if @volunteer.phone_number.present?
-        handle_short_url([invitation_url, request.base_url + "/users/edit"])
+        hash_of_short_urls = handle_short_url([invitation_url, request.base_url + "/users/edit"])
       end
 
       sms_status = deliver_sms_to @volunteer, account_activation_msg("volunteer", hash_of_short_urls)