HID: roccat: fix Coverity CID 141438

Add missing switch breaks.
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-roccat-kovaplus.c

@@ -554,9 +554,13 @@ static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus,
 		break;
 	case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI:
 		kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1);
+		break;
 	case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
 		kovaplus->actual_x_sensitivity = button_report->data1;
 		kovaplus->actual_y_sensitivity = button_report->data2;
+		break;
+	default:
+		break;
 	}
 }