build: Allow Linux builds to be made without Bluez (#1579)

src/gui/input/PairingDialog.cpp

@@ -225,7 +225,7 @@ void PairingDialog::WorkerThread()
 		BluetoothFindDeviceClose(deviceFind);
 	}
 }
-#elif BOOST_OS_LINUX
+#elif defined(HAS_BLUEZ)
 void PairingDialog::WorkerThread()
 {
 	constexpr static uint8_t LIAC_LAP[] = {0x00, 0x8b, 0x9e};

src/input/CMakeLists.txt

@@ -104,6 +104,6 @@ if (ENABLE_WXWIDGETS)
 endif()
 
 
-if (UNIX AND NOT APPLE)
+if (ENABLE_BLUEZ)
 	target_link_libraries(CemuInput PRIVATE bluez::bluez)
 endif ()