Check for proxycommand

src/freedombone-client

         proxycmd="/usr/bin/nc -X 5 -x 127.0.0.1:9050 %h %p"
     fi
     if ! grep -q "# ${PROJECT_NAME} settings" ~/.ssh/config; then
-        if ! grep -q 'Host *.onion' ~/.ssh/config; then
+        if ! grep -q 'ProxyCommand' ~/.ssh/config; then
             echo "# ${PROJECT_NAME} settings start" >> ~/.ssh/config
             echo 'Host *.onion' >> ~/.ssh/config
             echo '  ServerAliveInterval 60' >> ~/.ssh/config