The Windows console version of stunnel is called "tstunnel", while
running "stunnel" on Windows spawns a new console window which
cannot be handled by the testsuite.
my $start;
my $ftpchecktime=1; # time it took to verify our test FTP server
-my $stunnel = checkcmd("stunnel4") || checkcmd("stunnel");
+my $stunnel = checkcmd("stunnel4") || checkcmd("tstunnel") || checkcmd("stunnel");
my $valgrind = checktestcmd("valgrind");
my $valgrind_logfile="--logfile";
my $valgrind_tool;