declare bundled old construct module instead of needlessly requiring it

This was missed in e04ae5ab83 .

pyelftools.spec

@@ -40,7 +40,8 @@ and DWARF debugging information.
 %if 0%{?with_python2}
 %package     -n python2-%{name}
 Summary:        %{summary}
-Requires:       python2-construct
+# https://github.com/eliben/pyelftools/issues/180
+Provides:	bundled(python2-construct) = 2.6
 BuildRequires:  python2-devel
 BuildRequires:  python2-setuptools
 BuildArch:      noarch
@@ -52,7 +53,8 @@ BuildArch:      noarch
 %if 0%{?with_python3}
 %package     -n python3-%{name}
 Summary:	%{summary}
-Requires:	python3-construct
+# https://github.com/eliben/pyelftools/issues/180
+Provides:	bundled(python3-construct) = 2.6
 BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
 BuildArch:      noarch
@@ -140,6 +142,7 @@ popd
 - run readelf tests on x86_64 only for now
 - rename binaries to conform to Python packaging guidelines
 - enable python3 subpackage for EPEL7
+- declare bundled old construct module instead of needlessly requiring it
 
 * Thu Oct 03 2019 Miro Hrončok <mhroncok@redhat.com> - 0.25-5
 - Rebuilt for Python 3.8.0rc1 (#1748018)