Add StrictModes=no to work around cygwin problem.

Reported by Yang Tse <yangsita@gmail.com>.

tests/ssh2.sh

@@ -20,8 +20,9 @@ chmod go-r $srcdir/etc/host*
 $SSHD -f /dev/null -h $srcdir/etc/host \
     -o 'Port 4711' \
     -o 'Protocol 2' \
-    -o 'UsePrivilegeSeparation no' \
     -o "AuthorizedKeysFile $srcdir/etc/user.pub" \
+    -o 'UsePrivilegeSeparation no' \
+    -o 'StrictModes no' \
     -D &
 sshdpid=$!