vim-patch:7.4.291 #879

Problem:    Compiler warning for int to pointer of different size when DEBUG
            is defined.
Solution:   use smsg() instead of EMSG3().

https://code.google.com/p/vim/source/detail?r=b5972833add9de714f4651e26fd9ea63ec4a880c

src/nvim/version.c

@@ -227,7 +227,7 @@ static int included_patches[] = {
   //294,
   //293,
   292,
-  //291,
+  291,
   290,
   289,
   288,