patch 8.2.0242: preview popup window test fails with long directory name

Problem:    Preview popup window test fails with long directory name. (Jakub
            Kądziołka)
Solution:   Use "silent cd". (closes #5615)
diff --git a/src/version.c b/src/version.c
index f9ddda4..9b9f412 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    242,
+/**/
     241,
 /**/
     240,