gpgsm: Add a way to save a found state.
* kbx/keybox-defs.h (keybox_found_s): New. (keybox_handle): Factor FOUND out to above. Add saved_found. * kbx/keybox-init.c (keybox_release): Release saved_found. (keybox_push_found_state, keybox_pop_found_state): New. * sm/keydb.c (keydb_handle): Add field saved_found. (keydb_new): Init it. (keydb_push_found_state, keydb_pop_found_state): New.
Resolved conflicts:
kbx/keybox-defs.h - whitespace fixes.