[JPUSHSRVResolver processRecord:length:] in libRCTJPushModule.a(JPUSHSRVResolver.o)

项目更新了一下，运行ios的时候发现报错如下：

Undefined symbols for architecture arm64:
  "_dns_parse_resource_record", referenced from:
      -[JPUSHSRVResolver processRecord:length:] in jpush-[iOS](http://lib.csdn.net/base/ios)-2.2.0.a(JPUSHSRVResolver.o)
  "_dns_free_resource_record", referenced from:
      -[JPUSHSRVResolver processRecord:length:] in jpush-ios-2.2.0.a(JPUSHSRVResolver.o)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

找了半天，一直在查找极光推送的异常，搞半天最后才发现是有个静态库没添加进来。添加如下库进来就可以了。

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