Fixed: preview fails when updating an issue (broken by r1322). Patch #1027.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1341 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

@@ -345,7 +345,7 @@ class IssuesController < ApplicationController
   
   def preview
     @issue = @project.issues.find_by_id(params[:id]) if params[:id]
-    @attachements = issue.attachments if @issue
+    @attachements = @issue.attachments if @issue
     @text = params[:notes] || (params[:issue] ? params[:issue][:description] : nil)
     render :partial => 'common/preview'
   end