usbmtp_dissector srouce

1. create new dir: wireshark\plugins\epan\usbmtp

2. copy the following files to wireshark\plugins\epan\usbmtp
   packet-usb-mtp.c
   packet-usb-mtp.h
   CMakeLists.txt
   

3. add the following dir to wireshark\CMakeLists.txt
   plugins/epan/usbmtp
   

usbmtp_dissector binary

Copy usbmtp.dll to wireshark\plugins\epan and reopen wireshark, then wireshark will support usbmtp.
The wireshark version need be higher than or equal to 3.0.0.