patch 8.2.1516: Vim9: error for :exe has wrong line number

Problem:    Vim9: error for :exe has wrong line number.
Solution:   Set line number before calling do_cmdline_cmd(). (closes #6774)
diff --git a/src/version.c b/src/version.c
index 65b9d0f..4c2794a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1516,
+/**/
     1515,
 /**/
     1514,