patch 8.0.1246: popup test has an arbitrary delay

Problem:    Popup test has an arbitrary delay.
Solution:   Wait for the ruler to show. (James McCoy)
diff --git a/src/version.c b/src/version.c
index 5230212..fabb4d9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1246,
+/**/
     1245,
 /**/
     1244,