added lib dir for apple target
added lib dir for apple target

yukota/fann,billylindeman/fann-code,joelself/FANNCSharpCore,billylindeman/fann-code,imaculate/fann,devfreesg/fann,joelself/FannCSharp,yukota/fann,devfreesg/fann,libfann/fann,libfann/fann,libfann/fann,imaculate/fann,billylindeman/fann-code,arnaudgelas/fann,imaculate/fann,joelself/FannCSharp,joelself/FannCSharp,mpalet/fann,imaculate/fann,mpalet/fann,Quanteek/fann,Quanteek/fann,mpalet/fann,joelself/FANNCSharpCore,yukota/fann,joelself/FannCSharp,joelself/FANNCSharpCore,Quanteek/fann,Envek/fann,yukota/fann,libfann/fann,Envek/fann,joelself/FANNCSharpCore,joelself/FANNCSharpCore,joelself/FannCSharp,mpalet/fann,Envek/fann,devfreesg/fann,arnaudgelas/fann,devfreesg/fann,Quanteek/fann,billylindeman/fann-code,Envek/fann