patch 8.1.1562: popup window not always redrawn after popup_setoptions()

Problem:    Popup window not always redrawn after popup_setoptions().
Solution:   Force a redraw.
diff --git a/src/version.c b/src/version.c
index feac085..f82f3c5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1562,
+/**/
     1561,
 /**/
     1560,