Fixed: Pound (#) followed by number with leading zero (0) removes leading zero...

Fixed: Pound (#) followed by number with leading zero (0) removes leading zero when rendered in wiki (#4872).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3451 e93f8b46-1217-0410-a6f0-8f06a7374b81