patch 8.1.2117: CursorLine highlight used while 'cursorline' is off

Problem:    CursorLine highlight used while 'cursorline' is off.
Solution:   Check 'cursorline' is set. (cloes #5017)
diff --git a/src/version.c b/src/version.c
index 11bfd68..fa4930b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2117,
+/**/
     2116,
 /**/
     2115,