Add %{_datadir}/gtk-doc/html/libebook-contacts into 'doc' subpackage

evolution-data-server.spec

@@ -359,6 +359,7 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &>/dev/null || :
 %{_datadir}/gtk-doc/html/camel
 %{_datadir}/gtk-doc/html/libebackend
 %{_datadir}/gtk-doc/html/libebook
+%{_datadir}/gtk-doc/html/libebook-contacts
 %{_datadir}/gtk-doc/html/libecal
 %{_datadir}/gtk-doc/html/libedata-book
 %{_datadir}/gtk-doc/html/libedata-cal