Fixed: Issue status in the notify email's subject is the issue's old status,...

Fixed: Issue status in the notify email's subject is the issue's old status, should be its new status (#3194).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2673 e93f8b46-1217-0410-a6f0-8f06a7374b81