fix patch ping event case

src/Client.cc

@@ -228,9 +228,7 @@ void Client::dispatch_send_ping(evutil_socket_t, short, void* ctx) {
 }
 
 void Client::send_ping() {
-  if (this->version() == GameVersion::PATCH) {
-    throw logic_error("send_ping called for patch client");
-  }
+  if (this->version() != GameVersion::PATCH) {
     this->log.info("Sending ping command");
     // The game doesn't use this timestamp; we only use it for debugging purposes
     be_uint64_t timestamp = now();
@@ -239,6 +237,7 @@ void Client::send_ping() {
     } catch (const exception& e) {
       this->log.info("Failed to send ping: %s", e.what());
     }
+  }
 }
 
 void Client::dispatch_idle_timeout(evutil_socket_t, short, void* ctx) {