[gcc r11-4525] libstdc++: Correct PR number in ChangeLog entry

[Patrick Palka]

https://gcc.gnu.org/g:64817472be2ab6c89bd5448c242a191a38041bb9

commit r11-4525-g64817472be2ab6c89bd5448c242a191a38041bb9
Author: Patrick Palka <ppalka@redhat.com>
Date:   Thu Oct 29 09:27:04 2020 -0400

    libstdc++: Correct PR number in ChangeLog entry

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

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 69de22f9f6c..989b3a5cdd1 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -59,7 +59,7 @@
 
 2020-10-28  Patrick Palka  <ppalka@redhat.com>
 
-	PR libstdc++/96713
+	PR libstdc++/97613
 	* include/std/chrono (year_month_weekday::operator sys_days):
 	Cast the result of index() to int so that the initializer for
 	days{} is sign-extended when it's converted to the underlying