staging: vme_user: replace 'unsigned' with 'unsigned int'

Update the bare use of "unsigned" to the preferred "unsigned int".

Signed-off-by: Matt Jan <zoo868e@gmail.com>
Link: https://lore.kernel.org/r/20221209021756.5597-3-zoo868e@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>