Commit 793c9e65 for codemirror.net

commit 793c9e65e09ec7fba3f4f5aaf366b3d36e1a709e
Author: Marijn Haverbeke <marijn@haverbeke.nl>
Date:   Sat Dec 4 20:11:34 2021 +0100

    [vim bindings] let->var

diff --git a/keymap/vim.js b/keymap/vim.js
index d6e87085..1cf9636f 100644
--- a/keymap/vim.js
+++ b/keymap/vim.js
@@ -2098,7 +2098,7 @@
       },
       moveToEndOfDisplayLine: function(cm) {
         cm.execCommand("goLineRight");
-        let head = cm.getCursor();
+        var head = cm.getCursor();
         if (head.sticky == "before") head.ch--;
         return head;
       },