vim-patch:7.4.422

Problem:    When using conceal with linebreak some text is not displayed
            correctly. (Grüner Gimpel)
Solution:   Check for conceal mode when using linebreak. (Christian Brabandt)

https://code.google.com/p/vim/source/detail?r=v7-4-422
Merge pull request #1332 from splinterofchaos/listbr

vim-patch:7.4.422