Use /usr/bin instead of /bin in Requires

Signed-off-by: Igor Gnatenko <ignatenko@redhat.com>

docbook-dtds.spec

@@ -5,7 +5,7 @@
 
 Name: docbook-dtds
 Version: 1.0
-Release: 67%{?dist}
+Release: 68%{?dist}
 Group: Applications/Text
 
 Summary: SGML and XML document type definitions for DocBook
@@ -36,7 +36,7 @@ Provides: docbook-dtd45-xml = %{version}-%{release}
 
 Requires(post): /usr/bin/xmlcatalog
 Requires(postun): /usr/bin/xmlcatalog
-Requires(post): /bin/chmod
+Requires(post): %{_bindir}/chmod
 Requires(post): sed
 Requires(postun): sed
 Requires: sgml-common
@@ -392,7 +392,7 @@ sed -ni '
   ' /etc/sgml/catalog
 
 # Finally, make sure everything in /etc/sgml is readable!
-/bin/chmod a+r /etc/sgml/*
+%{_bindir}/chmod a+r /etc/sgml/*
 
 %postun
 # remove entries only on removal of package
@@ -478,6 +478,9 @@ do
 done
 
 %changelog
+* Tue Oct 31 2017 Igor Gnatenko <ignatenko@redhat.com> - 1.0-68
+- Use /usr/bin instead of /bin in Requires
+
 * Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-67
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild