patch 8.1.1517: when a popup changes all windows are redrawn

Problem:    When a popup changes all windows are redrawn.
Solution:   Only update the lines that were affected.  Add a file for
            profiling popup windows efficiency.
diff --git a/src/version.c b/src/version.c
index c4c8e3f..7a66295 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1517,
+/**/
     1516,
 /**/
     1515,