Updated Kernel self-test failure message to reflect OpenCL or Cuda installation failure, depending on backend used

src/selftest.c

@@ -654,8 +654,14 @@ static int selftest (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param
   if (num_cracked == 0)
   {
     hc_thread_mutex_lock (status_ctx->mux_display);
-
-    event_log_error (hashcat_ctx, "* Device #%u: ATTENTION! OpenCL kernel self-test failed.", device_param->device_id + 1);
+    if (device_param->is_opencl == true)
+    {
+      event_log_error (hashcat_ctx, "* Device #%u: ATTENTION! OpenCL kernel self-test failed.", device_param->device_id + 1);
+    }
+    if (device_param->is_cuda == true)
+    {
+      event_log_error (hashcat_ctx, "* Device #%u: ATTENTION! CUDA kernel self-test failed.", device_param->device_id + 1);
+    }
 
     event_log_warning (hashcat_ctx, "Your device driver installation is probably broken.");
     event_log_warning (hashcat_ctx, "See also: https://hashcat.net/faq/wrongdriver");