* camlibs/casio/casio-qv.c: On capture, append the file to the
filesystem
* camlibs/polaroid/pdc640.c: Here, too.
* include/gphoto2-camera.h: Add some more warnings
* libgphoto2/filesys.c:
* include/gphoto2-filesys.h: We don't need to expose
gp_filesystem_folder_number, that doesn't make sense
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@2464 67ed7778-7388-44ab-90cf-0a291f65f57c