vim-patch:7.4.242

Problem:    getreg() does not distinguish between a NL used for a line
            break and a NL used for a NUL character.
Solution:   Add another argument to return a list. (ZyX)

https://code.google.com/p/vim/source/detail?r=v7-4-242
Add vroom test for getreg.
Return void from get_reg_contents.