payload has to create directory before extraction

posix/payload

@@ -9,6 +9,10 @@ else
 	destdir="$XDG_CACHE_HOME"/tarinstall
 fi
 
+if ! [ -d "$destdir" ]; then
+	mkdir -p "$destdir"
+fi
+
 if ! [ "$(head -n 1 "$destdir"/ID/checksum 2>/dev/null)" = 'SUM' ]; then
 	tail -c +BYTES "$0" | lz4 -dc | tar -x -C "$destdir"
 	echo "SUM" > "$destdir"/ID/checksum