update to address https://bugzilla.redhat.com/show_bug.cgi?id=1638768#c6

* %{_datarootdir} -> %{_datadir}
* %{_libdir}/libfmt.so.5* instead of %{_libdir}/libfmt.so*
* use %ldconfig_scriptlets macro instead of calling /sbin/ldconfig
* use tar.gz not zip

Signed-off-by: Kefu Chai <tchaikov@gmail.com>

fmt.spec

@@ -77,7 +77,7 @@ pushd build
 %endif
     -DCMAKE_BUILD_TYPE=RelWithDebInfo         \
     -DCMAKE_POSITION_INDEPENDENT_CODE=ON      \
-    -DFMT_CMAKE_DIR=%{_datarootdir}/cmake/%{name} \
+    -DFMT_CMAKE_DIR=%{_datadir}/cmake/%{name} \
     -DFMT_LIB_DIR=%{_libdir}
 
 # Remove --clean-css since that plugin isn't available
@@ -89,13 +89,15 @@ rm -rf ../build/doc/html/{.buildinfo,.doctrees,objects.inv}
 %install
 %make_install -C build
 
+%ldconfig_scriptlets
+
 %check
 pushd build
 ctest -VV %{?_smp_mflags}
 popd
 
 %files
-%{_libdir}/libfmt.so.*
+%{_libdir}/libfmt.so.5*
 %{!?_licensedir:%global license %%doc}
 %license LICENSE.rst
 %doc ChangeLog.rst README.rst
@@ -103,16 +105,12 @@ popd
 %files devel
 %{_includedir}/fmt/
 %{_libdir}/libfmt.so
-%{_datarootdir}/cmake/fmt/
+%{_datadir}/cmake/fmt/
 
 %files doc
 %doc %{_datadir}/doc/fmt/
 %license doc/python-license.txt
 
-%post -p /sbin/ldconfig
-
-%postun -p /sbin/ldconfig
-
 %changelog
 * Thu Oct 11 2018 Kefu Chai <tchaikov@gmail.com> - 5.2.1-1
 - Update to 5.2.1