Merged r9409 from trunk.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/1.4-stable@9410 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/database.yml.example

@@ -1,4 +1,6 @@
-# MySQL (default setup).
+# Default setup is given for MySQL with ruby1.8. If you're running Redmine
+# with MySQL and ruby1.9, replace the adapter name with `mysql2`.
+# Examples for PostgreSQL and SQLite3 can be found at the end.
 
 production:
   adapter: mysql