use _pkgdocdir macro

slashem.spec

@@ -1,6 +1,6 @@
 Name:           slashem
 Version:        0.0.8
-Release:        0.12.E0F1%{?dist}
+Release:        0.13.E0F1%{?dist}
 Summary:        Super Lotsa Added Stuff Hack - Extended Magic
 
 Group:          Amusements/Games
@@ -25,11 +25,13 @@ Requires:       bzip2
 # for X11 core fonts
 Requires:       nethack-bitmap-fonts-core
 
+%{!?_pkgdocdir: %global _pkgdocdir %{_docdir}/%{name}-%{version}}
+
 %global fa_var      /var/games/%{name}
 %global fa_save     /var/games/%{name}/save
 %global fa_share    %{_datadir}/games/%{name}
 %global fa_unshare  %{_libdir}/games/%{name}
-%global fa_doc      %{_defaultdocdir}/%{name}-%{version}
+%global fa_doc      %{_pkgdocdir}
 
 %description
 From the land before 3DFX, before VGA graphics and DOOM, before the IBM PC, way
@@ -156,6 +158,9 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Sat Aug 10 2013 Iain Arnell <iarnell@gmail.com> 0.0.8-0.13.E0F1
+- use _pkgdocdir macro
+
 * Sun Aug 04 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.0.8-0.12.E0F1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild