libstdc++: Add PR number to ChangeLog entry

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 8d5e982d3804148dd7541de49100fac3f8cc6d45..5d493441a63771eedc1b8ec5329614debdcd6a75 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -6,6 +6,7 @@
 
 2020-07-30  Jonathan Wakely  <jwakely@redhat.com>
 
+       PR libstdc++/96279
        * src/c++17/floating_from_chars.cc (from_chars_impl): Use
        isinf unqualified.
        [!_GLIBCXX_USE_C99_STDLIB]: Use strtod for float and long