restic diff: add default params

plugins/transfer/restic.sh

@@ -218,7 +218,7 @@
             echo "This was the initial (full) Backup"
         else
             color cmd
-            restic diff "${_snapshotLast}" "${_snapshotNow}"
+            eval restic diff ${ARGS_DEFAULT} "${_snapshotLast}" "${_snapshotNow}"
             color reset
         fi
         echo