add needed link library for linux

when i try to link with libcocos2d.a in linux , got this error

```
/usr/bin/ld: /home/joshua/github/cocos2d-js/frameworks/js-bindings/cocos2d-x/external/websockets/prebuilt/linux/64-bit/libwebsockets.a(client.c.o): undefined reference to symbol 'BIO_ctrl@@OPENSSL_1.0.0'
//lib/x86_64-linux-gnu/libcrypto.so.1.0.0: error adding symbols: DSO missing from command line
```

after adding ssl and crypto , everything turns ok