exiftool: upgrade 12.70 -> 12.71

Changelog:
============
- Added a warning if there was an error reading an alternate file with the
  -fileNUM option
- Added the ability to write QuickTime Keys:Encoder
- Added a few new Canon LensType values
- Added a new, obscure EXIF tag
- Decode real-time metadata from Ricoh Theta videos
- Decode SpecularWhiteLevel for more Canon models (github #232)
- Decode Canon DualPixelRaw tag
- Decode a few new Nikon tags
- Decode more FujiFilm M-RAW tags
- Improved generation of tag names for some JSON tag ID's containing colons
- Fixed "Undefined subroutine" error when writing makernotes as a block
- Fixed missing ID in family 7 group name for ID3 tags which are not valid for
  the specified ID3 version
- Fixed bug where some tags from alternate files (with the -fileNUM option)
  could show up as "not defined" when used in expressions even though they did
  exist
- API Changes:
    - Added NoMandatory option

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

0 files changed, 0 insertions, 0 deletions