Log Message:
exif: Update to 0.6.22

exif-0.6.22 (2020-05-19):
  * New translations: ast, fur, ko, ms, pt_BR, ru, tr
  * Updated translations: many!
  * Fix a number of compiler and automake warnings
  * Fix the --remove option when no tag is specified.
  * Escape special XML characters in xml mode.
  * Add many continuous integration builds
  * Add more regression tests
  * Fixup IFD 1 tags when adding or removing a thumbnail.
  * Fix the XML tags used in --ids format.
  * Fix a memory leak when no arguments are given.
  * Enable AM_SILENT_RULES by default.
  * Make sure the tag buffer in show_entry_xml is NUL-terminated.
  * Eliminated unnecessary remove() calls in jpeg_data_save_file.
  * Close files before logging the error.
  * Install a SIGPIPE handler to stop generating a signal on pipe failures.
  * Fix cross-compilation with pkg-config
  * Use GP_CHECK_LIBRARY to look for popt.
  * Include strings to translate from libjpeg/jpeg-data.c
  * Fixed a double free by initializing data variable to NULL
  * Check that JPEGs start with 0xff