[RDY] vim-patch:7.4.193

Merging vim-patch:7.4.193

Problem:    Typos in messages.
Solution:   "then" -> "than". (Dominique Pelle)

https://code.google.com/p/vim/source/detail?r=a8650e2a0b5a5936f7d503429180df47df2aa775