xmrig-amd 2.8.0-rc: dry-run option is not listed in 'help'
```
[k0ste@WorkStation bin]$ ./xmrig-amd --version ; ./xmrig-amd --help | grep -i dry
XMRig-AMD 2.8.0-rc
 built on Oct  3 2018 with GCC 8.2.1
 features: 64-bit AES

libuv/1.23.1
microhttpd/0.9.59
OpenSSL/1.1.1
[k0ste@WorkStation bin]$ 
```