Support longer pathnames.
Support longer pathnames.

MTP device folks want to upload stuff like (letters replaced by x):
/store_00010001/Xxxxxxxxx_Xxxxxxx-Xxxxxxxx_Xxxxxxxx_Xxxxxx-XXXX-xxXXX/XX-xxxxxxxxx_xxxxxxx-xxxx_xxxx_xxx_xxxxx_xxx_xxxx_xxx_xxxxxx_xxxxxxxx_xxxxxx-xxxxx.mp3


git-svn-id: 40dd595c6684d839db675001a64203a1457e7319@8477 67ed7778-7388-44ab-90cf-0a291f65f57c

gphoto/libgphoto2,jbreeden/libgphoto2,jbreeden/libgphoto2,thusoy/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,jbreeden/libgphoto2,thusoy/libgphoto2,gphoto/libgphoto2,msmeissn/libgphoto2,jbreeden/libgphoto2,msmeissn/libgphoto2,jbreeden/libgphoto2,gphoto/libgphoto2,thusoy/libgphoto2,msmeissn/libgphoto2,thusoy/libgphoto2,msmeissn/libgphoto2,msmeissn/libgphoto2,gphoto/libgphoto2,thusoy/libgphoto2