vim-patch:7.4.349

Problem:    When there are matches to highlight the whole window is redrawn,
            which is slow.
Solution:   Only redraw everything when lines were inserted or deleted.
            Reset b_mod_xlines when needed.  (Alexey Radkov)

https://code.google.com/p/vim/source/detail?r=v7-4-349

src/nvim/version.c

@@ -246,7 +246,7 @@ static int included_patches[] = {
   352,
   //351,
   //350,
-  //349,
+  349,
   348,
   //347,
   346,