* configure.in: Detect new version of libexif. * frontends/command-line/actions.c: * libgphoto2/gphoto2-filesys.c: Adjust to new version of libexif (if found). git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@4908 67ed7778-7388-44ab-90cf-0a291f65f57c