rename argument preflightRequestHandler to handlePreflightRequest

Author: tommas1988

spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/route/Route.java

@@ -58,14 +58,14 @@ public class Route implements Ordered {
 	private boolean handlePreflightRequest;
 
 	private Route(String id, URI uri, int order, AsyncPredicate<ServerWebExchange> predicate,
-			List<GatewayFilter> gatewayFilters, Map<String, Object> metadata, boolean preflightRequestHandler) {
+			List<GatewayFilter> gatewayFilters, Map<String, Object> metadata, boolean handlePreflightRequest) {
 		this.id = id;
 		this.uri = uri;
 		this.order = order;
 		this.predicate = predicate;
 		this.gatewayFilters = gatewayFilters;
 		this.metadata = metadata;
-		this.handlePreflightRequest = preflightRequestHandler;
+		this.handlePreflightRequest = handlePreflightRequest;
 	}
 
 	public static Builder builder() {