patch 8.0.1821: cursor in terminal window moves when pressing CTRL-W

Problem:    Cursor in terminal window moves when pressing CTRL-W. (Dominique
            Pelle)
Solution:   Do not more the cursor or redraw when not in Terminal-Normal mode.
            (closes #2904)
diff --git a/src/version.c b/src/version.c
index 7d86c01..38d26f1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1821,
+/**/
     1820,
 /**/
     1819,