vim-patch:7.4.449

Problem:    Can't easily close the help window. (Chris Gaal)
Solution:   Add ":helpclose". (Christian Brabandt)

https://code.google.com/p/vim/source/detail?r=v7-4-449
vim-patch:7.4.452

Problem:    Can't build with tiny features. (Tony Mechelynck)
Solution:   Use "return" instead of "break".

https://code.google.com/p/vim/source/detail?r=v7-4-452
Merge pull request #1724 from fwalch/vim-7.4.452

vim-patch:7.4.449, vim-patch:7.4.452