libstdc++: Add missing bugzilla PR numbers to ChangeLog

We missed these out of the git commit messages.

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index a53d8f4ba2c0c9764a9a5d288d16be96c19262eb..8b01699321768a629eae4ed59d865f5a4988ff8b 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -312,6 +312,7 @@
 
 2020-09-11  Mike Crowe  <mac@mcrowe.com>
 
+       PR libstdc++/93542
        * include/bits/atomic_futex.h (__atomic_futex_unsigned): Change
        __clock_t typedef to use steady_clock so that unknown clocks are
        synced to it rather than system_clock. Change existing __clock_t
@@ -322,6 +323,7 @@
 
 2020-09-11  Mike Crowe  <mac@mcrowe.com>
 
+       PR libstdc++/93542
        * config/abi/pre/gnu.ver: Update for addition of
        __atomic_futex_unsigned_base::_M_futex_wait_until_steady.
        * include/bits/atomic_futex.h (__atomic_futex_unsigned_base):