patch 8.2.1653: expand('<stack>') does not include the final line number

Problem:    Expand('<stack>') does not include the final line number.
Solution:   Add the line nuber. (closes #6927)
diff --git a/src/message.c b/src/message.c
index a9851ef..059835a 100644
--- a/src/message.c
+++ b/src/message.c
@@ -461,7 +461,7 @@
 
     if (SOURCING_NAME != NULL && other_sourcing_name())
     {
-	char_u	    *sname = estack_sfile(FALSE);
+	char_u	    *sname = estack_sfile(ESTACK_NONE);
 	char_u	    *tofree = sname;
 
 	if (sname == NULL)