UBUNTU: SAUCE: ndiswrapper: rename usb_buffer_alloc() and usb_buffer_free()

UBUNTU: SAUCE: ndiswrapper: rename usb_buffer_alloc() and usb_buffer_free()

usb_buffer_alloc() is renamed to usb_alloc_coherent()
usb_buffer_free()  is renamed to usb_free_coherent()

This is due to the removal of the usb_buffer_alloc() and
usb_buffer_free() macros:

  commit e26bcf37234c67624f62d9fc95f922b8dbda1363
  Author: Greg Kroah-Hartman <gregkh@suse.de>
  Date:   Thu Apr 29 15:46:07 2010 -0700

    USB: remove unused usb_buffer_alloc and usb_buffer_free macros

Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>