Project jump box fix.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2271 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/layouts/_project_selector.rhtml

@@ -1,7 +1,7 @@
 <% user_projects_by_root = User.current.projects.find(:all, :include => :parent).group_by(&:root) %>
 <select onchange="if (this.value != '') { window.location = this.value; }">
-<option selected="selected"><%= l(:label_jump_to_a_project) %></option>
-<option disabled="disabled">---</option>
+<option selected="selected" value=""><%= l(:label_jump_to_a_project) %></option>
+<option disabled="disabled" value="">---</option>
 <% user_projects_by_root.keys.sort.each do |root| %>
     <%= content_tag('option', h(root.name), :value => url_for(:controller => 'projects', :action => 'show', :id => root, :jump => current_menu_item)) %>
     <% user_projects_by_root[root].sort.each do |project| %>