cols: Use C-Style for loop instead of while loop

neofetch

@@ -1776,7 +1776,7 @@ get_cols() {
         block_width="${block_width// /█}"
 
         # Generate the string.
-        while (("$start" <= "$end")); do
+        for ((start; start<=end; i++)); do
             case "$start" in
                 [0-6]) blocks+="${reset}\033[3${start}m\033[4${start}m${block_width}" ;;
                 7) blocks+="${reset}\033[3${start}m\033[4${start}m${block_width}" ;;