patch 8.1.0849: cursorline highlight is not always updated

Problem:    Cursorline highlight is not always updated.
Solution:   Set w_last_cursorline when redrawing.  Fix resetting cursor flags
            when using the popup menu.
diff --git a/src/version.c b/src/version.c
index 114539a..864ca44 100644
--- a/src/version.c
+++ b/src/version.c
@@ -784,6 +784,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    849,
+/**/
     848,
 /**/
     847,