better candidate.
Moved PowerShot S400 from class 1 to class 4, which is where it apparently
worked before (May 2003).
Corrected a couple of gcc warnings on type of format specifiers (long int
vs. int).
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@7623 67ed7778-7388-44ab-90cf-0a291f65f57c