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

src/nvim/version.c

@@ -288,7 +288,7 @@ static int included_patches[] = {
   //452,
   //451,
   //450,
-  //449,
+  449,
   //448 NA
   //447,
   //446,