patch 8.1.0114: confusing variable name

Problem:    Confusing variable name.
Solution:   Rename new_ts to new_vts_array.  Change zero to NULL.

src/version.c

@@ -789,6 +789,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    114,
 /**/
     113,
 /**/