vim-patch:7.4.564 #2591

Problem:    FEAT_OSFILETYPE is used even though it's never defined.
Solution:   Remove the code. (Christian Brabandt)

https://github.com/vim/vim/commit/v7-4-564

Not applicable, this code has already been removed in Neovim. Included
some of the style tweaks.

src/nvim/version.c

@@ -219,7 +219,7 @@ static int included_patches[] = {
   567,
   566,
   565,
-  //564,
+  //564 NA
   563,
   //562,
   561,