camlibs/ptp2: fuji: Fix property datatype in camera_trigger_capture
camlibs/ptp2: fuji: Fix property datatype in camera_trigger_capture

Also replace usage of the DPC magic number with the define for it.

gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2