vim-patch:7.4.439 #1245

Problem:  Duplicate message in message history. Some quickfix messages
          appear twice. (Gary Johnson)
Solution: Do not reset keep_msg too early. (Hirohito Higashi)

https://code.google.com/p/vim/source/detail?r=v7-4-439

src/nvim/version.c

@@ -193,7 +193,7 @@ static int included_patches[] = {
   //442,
   //441,
   //440,
-  //439,
+  439,
   //438,
   //437,
   436,