use pkgver for datadir

pandoc.spec

@@ -162,7 +162,7 @@ cabal-tweak-dep-ver directory '< 1.3' '< 1.4'
 %ghc_lib_install
 %ghc_fix_rpath %{subpkgs} %{pkgver}
 
-rm %{buildroot}%{_datadir}/%{name}-%{version}/COPYRIGHT
+rm %{buildroot}%{_datadir}/%{pkgver}/COPYRIGHT
 
 ln -s pandoc %{buildroot}%{_bindir}/hsmarkdown
 
@@ -198,7 +198,7 @@ echo "%%doc %{doctemplates}/README.md" >> %{doctemplates}/ghc-doctemplates-devel
 
 %files -n ghc-%{name} -f ghc-%{name}.files
 %license COPYING.md COPYRIGHT
-%{_datadir}/%{name}-%{version}
+%{_datadir}/%{pkgver}
 
 
 %files -n ghc-%{name}-devel -f ghc-%{name}-devel.files