add user for saned (d'oh)

sane-backends.spec

@@ -261,6 +261,9 @@ udevadm hwdb --update >/dev/null 2>&1 || :
 
 %pre daemon
 getent group saned >/dev/null || groupadd -r saned
+getent passwd saned >/dev/null || \
+    useradd -r -g saned -d %{_datadir}/sane -s /sbin/nologin \
+		-c "SANE scanner daemon user" saned
 exit 0
 
 %post daemon
@@ -296,6 +299,7 @@ exit 0
 %{_mandir}/*/*
 
 %dir %{_libdir}/sane
+%dir %{_datadir}/sane
 
 %files doc
 %doc %{_docdocdir}
@@ -325,6 +329,7 @@ exit 0
 %changelog
 * Wed Oct 19 2016 Nils Philippsen <nils@redhat.com>
 - use correct group name saned instead of placeholder
+- add user for saned (d'oh)
 
 * Fri Oct 07 2016 Nils Philippsen <nils@redhat.com> - 1.0.25-3
 - use %%license for license files