gpg: New option --input-size-hint.
* g10/options.h: Include stdint.h. (struct opt): Add field 'input_size_hint'. * g10/gpg.c (oInputSizeHint): New. (opts): Add --input-size-hint. (main): Set opt.input_size_hint. * g10/progress.c (write_status_progress): Use the hint.
This is a prerequisite to fix
- GnuPG-bug-id: T2368
- Signed-off-by: Werner Koch <wk@gnupg.org>