vim-patch:7.4.1871

Problem:    Appending to the quickfix list while the quickfix window is open
            is very slow.
Solution:   Do not delete all the lines, only append the new ones.  Avoid
            using a window while updating the list. (closes vim/vim#841)

864293abb7

src/nvim/version.c

@@ -569,7 +569,7 @@ static int included_patches[] = {
   // 1874 NA
   // 1873 NA
   // 1872 NA
-  // 1871,
+  1871,
   // 1870 NA
   // 1869 NA
   // 1868,