fixed: setting an issue status as default status leads to an sql error with SQLite

git-svn-id: http://redmine.rubyforge.org/svn/trunk@179 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue_status.rb

@@ -26,7 +26,7 @@ class IssueStatus < ActiveRecord::Base
   validates_format_of :html_color, :with => /^[a-f0-9]*$/i
 
   def before_save
-    IssueStatus.update_all "is_default=false" if self.is_default?
+    IssueStatus.update_all "is_default=#{connection.quoted_false}" if self.is_default?
   end  
   
   # Returns the default status for new issues