pkgsearch: fix colors

pkgsearch

@@ -1,9 +1,10 @@
 #!/usr/bin/env bash
 
 declare -r esc=$'\033'
-declare -r c_red=$(tput setaf 1)
-declare -r c_blue=$(tput setaf 4)
-declare -r c_reset=$(tput sgr0)
+declare -r c_reset="${esc}[0m"
+declare -r c_red="${esc}[31m"
+declare -r c_green="${esc}[32m"
+declare -r c_blue="${esc}[34m"
 declare -a config_err
 declare -r config_dir="${XDG_CONFIG_DIR:-$HOME/.config}/pkgsearch"
 declare -r config_file="${config_dir}/conf"