Rebuilt for removed libstdc++ symbols (#1937698)

qpid-proton.spec

@@ -14,7 +14,7 @@
 
 Name:           qpid-proton
 Version:        0.33.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        A high performance, lightweight messaging library
 License:        ASL 2.0
 URL:            http://qpid.apache.org/proton/
@@ -342,6 +342,9 @@ rm -f  %{buildroot}%{proton_datadir}/CMakeLists.txt
 %check
 
 %changelog
+* Wed Mar 31 2021 Jonathan Wakely <jwakely@redhat.com> - 0.33.0-4
+- Rebuilt for removed libstdc++ symbols (#1937698)
+
 * Thu Mar 25 2021 Irina Boverman <iboverma@redhat.com> - 0.33.0-3
 - Resolved PROTON-2342