[graphics] shellcheck bypass

graphics/tiff-batch-convert.sh

@@ -87,6 +87,7 @@ while [ $# -gt 0 ] ; do
 			echo "Warning! Image orientation unknown: \"$ORIENTATION\"." >&2
 		fi
 
+		# shellcheck disable=SC2086
 		convert $SCALE_OPT $ROTATE_OPT "$FILE" "$DEST_FILE"
 	done
 done