vim-patch:7.4.447

Problem:    Spell files from Hunspell may generate a lot of errors.
Solution:   Add the IGNOREEXTRA flag.

https://code.google.com/p/vim/source/detail?r=v7-4-447

src/nvim/version.c

@@ -290,7 +290,7 @@ static int included_patches[] = {
   //450,
   //449,
   //448 NA
-  //447,
+  447,
   //446,
   //445,
   444,