fixed incomplete changed from commit dc226f8

install.sh

@@ -92,10 +92,10 @@ mvdir_backward_compat()
 
   if [ -d $old_dir ]; then
     if [ $(ls $old_dir | wc -l) -gt 0 ]; then
-      mv /srv/walnut/packages/client-api-grants/* /srv/walnut/etc/client-api-grants/
+      mv ${old_dir}/* ${new_dir}/
     fi
-    rm -r /srv/walnut/packages/client-api-grants
-    #rmdir /srv/walnut/packages/client-api-grants
+    rm -r ${old_dir}
+    #rmdir ${old_dir}
   fi
 
   ln -snf $new_dir $old_dir