vim-patch:7.4.581: Mark as NA #2624

Problem:    Compiler warnings for unitinialized variables. (John Little)
Solution:   Initialize the variables.

https://github.com/vim/vim/commit/v7-4-581

Not applicable. Depended on patch 7.4.560, which was NA, see #1743.

src/nvim/version.c

@@ -202,7 +202,7 @@ static int included_patches[] = {
   //584 NA
   //583 NA
   //582,
-  //581,
+  //581 NA
   580,
   //579,
   578,