vim-patch:7.4.1884

Problem:    Updating marks in a quickfix list is very slow when the list is
            long.
Solution:   Only update marks if the buffer has a quickfix entry.

2f095a4bc4

src/nvim/version.c

@@ -556,7 +556,7 @@ static int included_patches[] = {
   // 1887 NA
   // 1886 NA
   // 1885 NA
-  // 1884,
+  1884,
   // 1883 NA
   1882,
   1881,