commit https://github.com/vim/vim/commit/71bcfdf30109c3d6e40d143adcaf33964b18a70b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 9 18:20:46 2016 +0100 patch 7.4.1068 Problem: Wrong way to check for unletting internal variables. Solution: Use a better way. (Olaf Dabrunz)

--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1068,
+/**/
     1067,
 /**/
     1066,