patch 8.1.1656: popup window width is wrong when using Tabs

Problem:    Popup window width is wrong when using Tabs. (Paul Jolly)
Solution:   Count tabs correctly. (closes #4637)
diff --git a/src/version.c b/src/version.c
index 62b9557..c58cbc5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1656,
+/**/
     1655,
 /**/
     1654,