Fix special test port

Author: Javen

src/cn/jpush/api/push/PushClient.java

@@ -19,7 +19,7 @@
  * Can be used directly.
  */
 public class PushClient {
-    public static final String HOST_NAME_SSL = "https://api.jpush.cn:19688";
+    public static final String HOST_NAME_SSL = "https://api.jpush.cn";
     public static final String PUSH_PATH = "/v3/push";
 
     private final NativeHttpClient _httpClient;