[gcc(refs/users/guojiufu/heads/guojiufu-branch)] Add missing changelog entry.

[Jiu Fu Guo]

https://gcc.gnu.org/g:53cc8cf9f0880128ffe150d7410e9339b6f04f2c

commit 53cc8cf9f0880128ffe150d7410e9339b6f04f2c
Author: Martin Liska <mliska@suse.cz>
Date:   Tue May 19 12:03:42 2020 +0200

    Add missing changelog entry.

Diff:
---
 contrib/ChangeLog | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 85f067507f1..ca2834e541f 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,8 @@
+2020-05-19  Martin Liska  <mliska@suse.cz>
+
+	* gcc-changelog/git_update_version.py:
+	Fill up entries in reverse order.
+
 2020-05-19  Martin Liska  <mliska@suse.cz>
 
 	* gcc-git-customization.sh: Add