我正在使用Chilkat并在安装AFNetworking后遇到这些错误:Undefinedsymbolsforarchitecturearmv7:"_res_9_query",referencedfrom:ChilkatResolve::bestMxLookup(charconst*,StringBuffer&,LogBase&,bool)inlibchilkatIos.a(ChilkatResolve.o)ChilkatResolve::dkimLookup(charconst*,StringBuffer&,LogBase&,bool)inlibchilkatIos.a(Chilka