patch 8.2.1658: expand('<stack>') has trailing ".."

Problem:    Expand('<stack>') has trailing "..".
Solution:   Remove the "..". (closes #6927)
diff --git a/src/version.c b/src/version.c
index 5386822..81c51e1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1658,
+/**/
     1657,
 /**/
     1656,