patch 8.1.2109: popup_getoptions() hangs with tab-local popup

Problem:    popup_getoptions() hangs with tab-local popup.
Solution:   Correct pointer name. (Marko Mahnič, closes #5006)
diff --git a/src/version.c b/src/version.c
index 469b759..00374c2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2109,
+/**/
     2108,
 /**/
     2107,