compiler for the callback functions:
* tud_descriptor_bos_cb()
* tud_vendor_control_xfer_cb()
* tud_mount_cb()
* tud_umount_cb()
* tud_suspend_cb()
* tud_resume_cb()
Without the fix for the first two functions, the USB device won't enumerate properly, if
the device makes use of a BOS description. For example when using a Microsoft OS 2.0
platform capability descriptor to set a specific Device Interface GUID for WinUSB.
The fix for the other four functions were added, because it's probably just a matter of
time before someone runs into the same problem with those callback functions.
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