patch 8.2.2149: popupwin test for latin1 sometimes fails

Problem:    Popupwin test for latin1 sometimes fails.
Solution:   Wait for the script to finish.
diff --git a/src/version.c b/src/version.c
index a5c7127..95633c8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2149,
+/**/
     2148,
 /**/
     2147,