use find_lang over manual filegobbling

OBS-URL: https://build.opensuse.org/package/show/filesystems/libmirage?expand=0&rev=45

libmirage.spec

@@ -145,6 +145,7 @@ make %{?_smp_mflags}
 
 %install
 %cmake_install
+%find_lang %name
 
 %post   -n %lname -p /sbin/ldconfig
 %postun -n %lname -p /sbin/ldconfig
@@ -184,9 +185,8 @@ make %{?_smp_mflags}
 %if 0%{?suse_version} > 1110
 %_datadir/gir-1.0
 
-%files lang
+%files lang -f %name.lang
 %defattr(-,root,root)
-%_datadir/locale/*/LC*/*.mo
 
 %files -n typelib-1_0-libmirage-%pname
 %defattr(-,root,root)