commit https://github.com/vim/vim/commit/4a8c2cfc56b9affc36934aa0f20d8cfd2b1511c8 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Dec 19 15:28:18 2015 +0100 patch 7.4.979 Problem: When changing the crypt key the blocks read from disk are not decrypted. Solution: Also call ml_decrypt_data() when mf_old_key is set. (Ken Takata)

--- 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 */
 /**/
+    979,
+/**/
     978,
 /**/
     977,