Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/libxcb.git#341a86d1d4e56b5fd791d27c3d01160361e95faa

libxcb.spec

@@ -2,7 +2,7 @@
 
 Name:       libxcb
 Version:    1.13.1
-Release:    6%{?dist}
+Release:    7%{?dist}
 Summary:    A C binding to the X11 protocol
 License:    MIT
 URL:        http://xcb.freedesktop.org/
@@ -117,6 +117,9 @@ find $RPM_BUILD_ROOT -name '*.la' -delete
 %{_pkgdocdir}
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.13.1-7
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Thu Nov  5 11:20:53 AEST 2020 Peter Hutterer <peter.hutterer@redhat.com> - 1.13.1-6
 - Add BuildRequires for make