Socket Timeout not set in influxdb-cpp

all explained here: https://github.com/orca-zhang/influxdb-cpp/issues/33

this may cause the recordPoint function to get stuck indefinitely which should be avoided (actually happened to me last night).

Could be fixed at the influxdb-cpp level or at the recordPoint level, I am from being an expert and so open to suggestions.

Cheers Matthias