vim-patch:7.4.499

Problem:    substitute() can be slow with long strings.
Solution:   Store a pointer to the end, instead of calling strlen() every
	    time. (Ozaki Kiichi)

https://code.google.com/p/vim/source/detail?r=v7-4-499

src/nvim/version.c

@@ -239,7 +239,7 @@ static int included_patches[] = {
   //502,
   //501 NA
   //500,
-  //499,
+  499,
   //498 NA
   //497,
   //496 NA