Fix package count on some NetBSD systems

ufetch-netbsd

@@ -9,7 +9,7 @@ host="$(hostname)"
 os="$(uname -sr)"
 kernel="$(uname -r)"
 uptime="$(uptime | awk -F, '{sub(".*up ",x,$1);print $1}' | sed -e 's/^[ \t]*//')"
-packages="$(pkgin list | wc -l | sed -e 's/^[ \t]*//')"
+packages="$(pkg_info | wc -l | sed -e 's/^[ \t]*//')"
 shell="$(basename "$SHELL")"
 
 ## UI DETECTION