[HERCULES] Add missing RFIFOSKIP in packet 0x68 and 0x1fb. Fixes Bug 8317 http://hercules.ws/board/tracker/issue-8317-missing-rfifoskip-in-packet-0x68-and-0x1fb/
https://github.com/HerculesWS/Hercules/commit/4d138cbe8c0071d0fc81020e2ff4078d31c8760a