core: Add new context flag "redraw".
* src/context.h (struct gpgme_context): New field 'redraw_suggested'. * src/op-support.c (_gpgme_op_reset): Clear REDRAW_SUGGESTED. * src/progress.c (_gpgme_progress_status_handler): Set REDRAW_SUGGESTED. * src/gpgme.c (gpgme_set_ctx_flag, gpgme_get_ctx_flag): Add "redraw". * tests/run-sign.c (main): Use it.
- Signed-off-by: Werner Koch <wk@gnupg.org>