shellcheck: check-tor issues

In check-tor line 36:
	echo ">>" wget --proxy=off -O - http://$ipop/tor/
                                               ^-- SC2086: Double quote to prevent globbing and word splitting.


In check-tor line 37:
	timeout 5 wget --proxy=off -O - http://$ipop/tor/ | head -n3
                                               ^-- SC2086: Double quote to prevent globbing and word splitting.


In check-tor line 41:
echo -n "$router "; echo "$lines" | grep 'fingerprint' | sed -e 's/^opt //' -e 's/^fingerprint //';
     ^-- SC2039: In POSIX sh, echo flags are undefined.