Allow underscore in block partial name (#2840).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2528 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/my/_block.rhtml

@@ -1,9 +1,9 @@
-<div id="block_<%= block_name %>" class="mypage-box">
+<div id="block_<%= block_name.dasherize %>" class="mypage-box">
 
     <div style="float:right;margin-right:16px;z-index:500;">
     <%= link_to_remote "", {
         :url => { :action => "remove_block", :block => block_name },
-        :complete => "removeBlock('block_#{block_name}')" },
+        :complete => "removeBlock('block_#{block_name.dasherize}')" },
         :class => "close-icon"
          %>        
     </div>