[sway] update lock.sh due to shellcheck

sway/lock.sh

@@ -7,14 +7,14 @@ swaylock_args+=(-e)
 
 for output in $(swaymsg -t get_outputs | jq -r '.[] .name'); do
 	image=$(mktemp --suffix=.png)
-  images+=($image)
-  swaylock_args+=(-i $output:$image)
-  grim -o $output $image
+	images+=("$image")
+	swaylock_args+=(-i "$output":"$image")
+	grim -o "$output" "$image"
 done
 
 printf '%s\n' "${images[@]}" | xargs -P 0 -I{} convert -resize 20% -level 0%,100%,0.9 -blur 0x2 -resize 500% {} {}
 
 physlock -l  prevent tty switching
-swaylock ${swaylock_args[@]} -s center
+swaylock "${swaylock_args[@]}" -s center
 physlock -L  reenable tty switching
-rm ${images[@]}
+rm "${images[@]}"