Update mod.js.rb

Initialize @votelink variable
Fix link to private list query
diff --git a/www/roster/views/pmc/mod.js.rb b/www/roster/views/pmc/mod.js.rb
index 6b31b47..690ca2f 100644
--- a/www/roster/views/pmc/mod.js.rb
+++ b/www/roster/views/pmc/mod.js.rb
@@ -8,6 +8,7 @@
 
   def initialize
     @people = []
+    @votelink = ''
   end
 
   def render
@@ -51,7 +52,7 @@
                     href: 'https://www.apache.org/dev/pmc.html#newpmc'
                   _a 'You can use the following link to find the thread on the private list'
                   _a 'and copy it into the text field below.'
-                    href: 'https://lists.apache.org/list?private@' + @@project.display.name + '.apache.org:lte=6M:'
+                    href: 'https://lists.apache.org/list?private@#{@project}.apache.org:lte=6M:'
                   _ ' (the PMC private@ mailing list).'                  
                 end
                 _label do