vim-patch:7.4.351

Problem:    sort() is not stable.
Solution:   When the items are identical, compare the pointers.

https://code.google.com/p/vim/source/detail?r=v7-4-351

src/nvim/version.c

@@ -244,7 +244,7 @@ static int included_patches[] = {
   //354 NA
   353,
   352,
-  //351,
+  351,
   //350,
   349,
   348,