Fixed: Custom values with a nil value cause error on (project|account)/show (#3705).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2894 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/account/show.rhtml

@@ -10,7 +10,7 @@
 		<li><%=l(:field_mail)%>: <%= mail_to(h(@user.mail), nil, :encode => 'javascript') %></li>
 	<% end %>
 	<% for custom_value in @custom_values %>
-	<% if !custom_value.value.empty? %>
+	<% if !custom_value.value.blank? %>
     <li><%=h custom_value.custom_field.name%>: <%=h show_value(custom_value) %></li>
 	<% end %>
 	<% end %>

app/views/projects/show.rhtml

@@ -9,7 +9,7 @@
 	    <%= @subprojects.collect{|p| link_to(h(p), :action => 'show', :id => p)}.join(", ") %></li>
   <% end %>
 	<% @project.custom_values.each do |custom_value| %>
-	<% if !custom_value.value.empty? %>
+	<% if !custom_value.value.blank? %>
 	   <li><%= custom_value.custom_field.name%>: <%=h show_value(custom_value) %></li>
 	<% end %>
 	<% end %>