Fix #2189

Author: yhirose

httplib.h

@@ -2282,6 +2282,10 @@ Client::set_write_timeout(const std::chrono::duration<Rep, Period> &duration) {
   cli_->set_write_timeout(duration);
 }
 
+inline void Client::set_max_timeout(time_t msec) {
+  cli_->set_max_timeout(msec);
+}
+
 template <class Rep, class Period>
 inline void
 Client::set_max_timeout(const std::chrono::duration<Rep, Period> &duration) {