vim-patch:7.4.455

Problem:  Completion for :buf does not use 'wildignorecase'. (Akshay H)
Solution: Pass the 'wildignorecase' flag around.

https://code.google.com/p/vim/source/detail?r=v7-4-455

src/nvim/version.c

@@ -282,7 +282,7 @@ static int included_patches[] = {
   //458,
   //457,
   //456,
-  //455,
+  455,
   454,
   //453 NA
   //452,