Propagate this time to the callers (the get_remote_string() and
do_rlogin() functions).
* libmisc/rlogin.c: Add brackets and parenthesis.
* libmisc/rlogin.c: Avoid multi-statements lines.
* libmisc/rlogin.c: Avoid assignments in comparisons.
* libmisc/rlogin.c: Avoid implicit conversion of pointers to
booleans.