Gemfile: mocha version up 0.12.3

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10167 e93f8b46-1217-0410-a6f0-8f06a7374b81

Gemfile

@@ -76,7 +76,7 @@ group :test do
   gem "shoulda", "~> 2.11"
   # Shoulda does not work nice on Ruby 1.9.3 and seems to need test-unit explicitely.
   gem "test-unit", :platforms => [:mri_19]
-  gem "mocha", "0.12.1"
+  gem "mocha", "0.12.3"
 end
 
 local_gemfile = File.join(File.dirname(__FILE__), "Gemfile.local")