Additional code review fixes

psiphon/common/dsl/relay.go

@@ -353,7 +353,7 @@ func (r *Relay) HandleRequest(
 		httpRequest.Header.Set(PsiphonHostIDHeader, r.config.HostID)
 
 		startTime := time.Now()
-		httpResponse, err := r.httpClient.Do(httpRequest)
+		httpResponse, err := httpClient.Do(httpRequest)
 		duration := time.Since(startTime)
 
 		if err == nil && httpResponse.StatusCode != http.StatusOK {

psiphon/server/api.go

@@ -1122,7 +1122,7 @@ var dslRequestParams = append(
 
 func getDSLAPIParameterValidator(config *Config) common.APIParameterValidator {
 	return func(params common.APIParameters) error {
-		return validateRequestParams(config, params, tacticsRequestParams)
+		return validateRequestParams(config, params, dslRequestParams)
 	}
 }