fix diff error in case of line_left out of range (#13644)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11707 e93f8b46-1217-0410-a6f0-8f06a7374b81
svn propset svn:eol-style native test fixtures (#13644)


git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11708 e93f8b46-1217-0410-a6f0-8f06a7374b81