[gcc r11-2878] libstdc++: Add missing coauthors to ChangeLog entry

[Patrick Palka]

https://gcc.gnu.org/g:121dc0c378328d494064137fbf95e387321b7c5f

commit r11-2878-g121dc0c378328d494064137fbf95e387321b7c5f
Author: Patrick Palka <ppalka@redhat.com>
Date:   Wed Aug 26 09:29:39 2020 -0400

    libstdc++: Add missing coauthors to ChangeLog entry
    
    The corresponding commit had the Co-authored-by: lines in the middle of
    the commit message instead of at the end, so the ChangeLog script didn't
    consider them.

Diff:
---
 libstdc++-v3/ChangeLog | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index dd25ec5e8b9..6b69ac48407 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -46,6 +46,8 @@
 	Likewise.
 
 2020-08-25  Patrick Palka  <ppalka@redhat.com>
+	    Ed Smith-Rowland <3dw4rd@verizon.net>
+	    Jonathan Wakely <jwakely@redhat.com>
 
 	* include/std/chrono (time_point::operator++)
 	(time_point::operator--): Define.