.deb build fixes

debian/control

@@ -5,6 +5,8 @@ Maintainer: Luke Jones <luke@ljones.dev>
 Build-Depends:
   debhelper (>=9),
   cargo,
+  llvm,
+  libclang-dev,
   dh-systemd,
   libusb-1.0-0-dev,
   libdbus-1-dev,

rog-core/src/core.rs

@@ -1,7 +1,6 @@
 // Return show-stopping errors, otherwise map error to a log level
 
 use crate::{config::Config, virt_device::VirtKeys};
-use gumdrop::Options;
 use log::{debug, error, info, warn};
 use rog_aura::{aura_brightness_bytes, error::AuraError, BuiltInModeByte};
 use rusb::DeviceHandle;