Don't ignore error in InitThriftClient (#61)

`thrift.NewTHttpClientWithOptions` may return an error, in which case
`tTrans` is `nil`, which causes the next line to panic with the message
`interface conversion: thrift.TTransport is nil, not
*thrift.THttpClient` on the next line.

Signed-off-by: Eric Bannatyne <[email protected]>

Author: aldld

internal/client/client.go

@@ -212,6 +212,10 @@ func InitThriftClient(cfg *config.Config) (*ThriftServiceClient, error) {
 			Timeout:   cfg.ClientTimeout,
 		}
 		tTrans, err = thrift.NewTHttpClientWithOptions(endpoint, thrift.THttpClientOptions{Client: httpclient})
+		if err != nil {
+			return nil, err
+		}
+
 		httpTransport := tTrans.(*thrift.THttpClient)
 		userAgent := fmt.Sprintf("%s/%s", cfg.DriverName, cfg.DriverVersion)
 		if cfg.UserAgentEntry != "" {