fix ChangeLog to reference the PR

From-SVN: r278403

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index f7fc8214ffd77ab9c983461b201b8ff996d21f20..bf5c131d7f885acd0aedfde866a6faaf43ae33bf 100644 (file)
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,5 +1,6 @@
 2019-11-18  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 
+       PR libgcc/91737
        * config.host: Add t-gthr-noweak on *-*-musl*.
        * config/t-gthr-noweak: New file.